27 Automotive Design questions from the Mechanical Design bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
B.front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact
C.difference between front and rear slip angles per g of lateral acceleration, kept positive so a road car stays stable at the limit
D.resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
Answer + AI explanation with Pro
2. Which term means: "difference between front and rear slip angles per g of lateral acceleration, kept positive so a road car stays stable at the limit"?
Junior
A.Understeer gradient
B.Modal separation
C.Crumple zone
D.Bharat NCAP
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Understeer gradient — designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
B.Understeer gradient — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
C.Understeer gradient — difference between front and rear slip angles per g of lateral acceleration, kept positive so a road car stays stable at the limit
D.Understeer gradient — resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
Answer + AI explanation with Pro
4. What is Ackermann steering?
Junior
A.cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
B.designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
C.geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
D.Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
Answer + AI explanation with Pro
5. Which term means: "geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub"?
Junior
A.BS-VI norms
B.Ackermann steering
C.Understeer gradient
D.AIS 156
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Ackermann steering — Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
B.Ackermann steering — geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
C.Ackermann steering — voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars
D.Ackermann steering — designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
Answer + AI explanation with Pro
7. What is BS-VI norms?
Junior
A.emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
B.Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
C.difference between front and rear slip angles per g of lateral acceleration, kept positive so a road car stays stable at the limit
D.cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
Answer + AI explanation with Pro
8. Which term means: "emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023"?
Junior
A.AIS 156
B.Crumple zone
C.BS-VI norms
D.Ackermann steering
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.BS-VI norms — geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
B.BS-VI norms — Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
C.BS-VI norms — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
D.BS-VI norms — front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact
Answer + AI explanation with Pro
10. What is Modal separation?
Mid
A.geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
B.emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
C.voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars
D.designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
Answer + AI explanation with Pro
11. Which term means: "designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies"?
Mid
A.BS-VI norms
B.Understeer gradient
C.Modal separation
D.Ackermann steering
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.Modal separation — Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
B.Modal separation — designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
C.Modal separation — resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
D.Modal separation — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
Answer + AI explanation with Pro
13. What is Crumple zone?
Junior
A.geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
B.cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
C.front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact
D.resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
Answer + AI explanation with Pro
14. Which term means: "front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact"?
Junior
A.BS-VI norms
B.Modal separation
C.Crumple zone
D.Body torsional stiffness
Answer + AI explanation with Pro
15. Which statement is correct?
Junior
A.Crumple zone — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
B.Crumple zone — cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
C.Crumple zone — resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
D.Crumple zone — front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact
Answer + AI explanation with Pro
16. What is Bharat NCAP?
Mid
A.difference between front and rear slip angles per g of lateral acceleration, kept positive so a road car stays stable at the limit
B.Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
C.geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
D.voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars
Answer + AI explanation with Pro
17. Which term means: "voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars"?
Mid
A.AIS 156
B.Body torsional stiffness
C.Understeer gradient
D.Bharat NCAP
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.Bharat NCAP — resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
B.Bharat NCAP — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
C.Bharat NCAP — front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact
D.Bharat NCAP — voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars
Answer + AI explanation with Pro
19. What is EV battery pack architecture?
Senior
A.geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
B.cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
C.designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
D.Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
Answer + AI explanation with Pro
20. Which term means: "cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety"?
Senior
A.EV battery pack architecture
B.AIS 156
C.Understeer gradient
D.Body torsional stiffness
Answer + AI explanation with Pro
21. Which statement is correct?
Senior
A.EV battery pack architecture — resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
B.EV battery pack architecture — cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
C.EV battery pack architecture — designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
D.EV battery pack architecture — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
Answer + AI explanation with Pro
22. What is AIS 156?
Senior
A.designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
B.difference between front and rear slip angles per g of lateral acceleration, kept positive so a road car stays stable at the limit
C.emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
D.Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
Answer + AI explanation with Pro
23. Which term means: "Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements"?
Senior
A.Ackermann steering
B.Understeer gradient
C.Bharat NCAP
D.AIS 156
Answer + AI explanation with Pro
24. Which statement is correct?
Senior
A.AIS 156 — emission standard in force since April 2020 requiring 10 ppm sulphur fuel, DPF and SCR on diesels, OBD-II and real driving emission limits from 2023
B.AIS 156 — Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
C.AIS 156 — cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
D.AIS 156 — front rails and crash boxes designed to fold progressively and absorb energy while the passenger cell remains intact
Answer + AI explanation with Pro
25. What is Body torsional stiffness?
Senior
A.voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars
B.cell-module-pack structure with a BMS and liquid or air thermal management holding cells at roughly 15–35 °C for life and safety
C.resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
D.designing the body so its first bending and torsion modes (typically 25–40 Hz) do not coincide with engine idle and wheel excitation frequencies
Answer + AI explanation with Pro
26. Which term means: "resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH"?
Senior
A.Understeer gradient
B.Body torsional stiffness
C.Modal separation
D.EV battery pack architecture
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.Body torsional stiffness — Indian battery safety standard for electric two- and three-wheelers whose amendment 3 added thermal-propagation, cell-level and BMS requirements
B.Body torsional stiffness — geometry in which the inner wheel turns through a larger angle so both wheel axes meet at the turn centre and the tyres do not scrub
C.Body torsional stiffness — voluntary Indian crash rating under AIS 197 from October 2023 with 64 km/h frontal offset, side impact and pole tests scored in stars
D.Body torsional stiffness — resistance of the body-in-white to twist in kNm per degree, around 15–30 for modern cars and the first target set for handling and NVH
Answer + AI explanation with Pro
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