| Other Automobile Engineering Interview Questions |
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| What is BHP & How it is measured? |
Maruti-Udyog | 6 |
| 1) A mechanism which enables the rotary motion of one shaft
to another shaft at the same axis is called
a) Gear box
b) Differential
c) Clutch
d) Flywheel
2) The main advantage of a good clutch is
a) Good torque transmission
b) Rapid engagement
c) Large size
d) High inertia
3) Hard shifting of gears would result when
a) There is rapid engagement of gears
b) There is less heat dissipation
c) The clutch inertia is very high
d) There is no clutch free pedal play
4) The torque transmitted by a clutch is given by
a) T = μWR
b) T = μ/WR
c) T = μW/R
d) T = 1/μWR
5) The coefficient of friction for the Asbestos-based
materials used for clutch facing is
a) 0.07
b) 0.17
c) 0.27
d) 0.37
6) The maximum amount of axial load to be applied on a
clutch plate is
a) 100 KN
b) 200 KN
c) 300 KN
d) 400 KN
7) Mean effective radius of contact surfaces of a clutch
plate is decided by
a) Coefficient of friction
b) Axial pressure
c) Space available in the vehicle
d) Amount of torque to be transmitted
8) Axial force to keep the clutch in engaged position is
provided by
a) Springs arranged circumferentially
b) Pressure plate
c) Flywheel
d) Clutch pedal
9) The friction plate is always mounted on
a) flywheel
b) Pressure plate
c) Internally splined hub
d) Clutch spring
10) The main advantage of single plate clutch over cone
clutch is
a) Easier gear changing
b) Less binding of contact surfaces
c) Less pedal movement
d) all of the above
11) The main function of transmission is
a) To provide means to vary the torque ratio between the
engine and the road wheels
b) To provide neutral position
c) To provide means to back the car
d) all of the above
12) The resistance to the vehicle motion whose magnitude
remain constant with respect to the vehicle speed is
a) Resistance due to gradient
b) Resistance due to the road
c) Resistance due to the tyre friction
d) all of the above
13) The resistance to the vehicle motion whose magnitude
various with the square of the vehicle speed is
a) Resistance due to gradient
b) Resistance due to road
c) Resistance due to the tyre friction
d) Resistance due to wind
14) If the tractive effort is the highest for a given
velocity, then the vehicle must be in
a) Top gear
b) Third gear
c) Second gear
d) First gear
15) The point of interaction of the tractive effort curve
and the total resistance curve is called
a) Stabilizing speed point
b) Low speed point
c) High speed point
d) Normal speed point
16) If the given tractive effort curve and the total
resistance curve does not intersect, then
a) The vehicle will accelerate
b) The vehicle will decelerate
c) The vehicle will not be able to go at this gradient for
the given gear
d) None of the above
17) The main disadvantage of sliding mesh type of gear box
is
a) High noise level
b) Low mechanical efficiency
c) High skill required by the driver
d) all of the above
18) Double declutching is used for the engagement of gears
in
a) Sliding mesh type of gear box
b) Constant mesh type of gear box
c) Synchromesh type of gear box
d) None of the above
19) High speed gear is obtained in the case of sliding mesh
gear box when
a) Motion is transferred through the clutch gear to lay
shaft gear
b) Main shaft is coupled to the clutch shaft
c) Smallest gear on the lay shaft is engaged
d) Largest gear on the lay shaft is engaged
20) The Figure 1 depicts
a) Top gear
b) Second gear
c) First gear
d) Reverse gear
21) In case of a constant mesh gear box, when the left dog
clutch is slid to the left by means of the selector
mechanism,
a) Direct gear is obtained
b) First gear is obtained
c) Second gear is obtained
d) Reverse gear is obtained
22) In a constant mesh gear box, when the right dog clutch
is engaged with the gear on the right side of the main
shaft,
a) Direct gear is obtained
b) First gear is obtained
c) Second gear is obtained
d) Reverse gear is obtained
23) Double declutching is required in constant mesh gear
box
a) To equalize the speed of main shaft gear and the sliding
dog
b) To provide direct gear
c) To equalize the speed of countershaft gear and the
sliding dog
d) None of the above
24) The number of spring loaded balls provided
circumferentially in a synchromesh gear box is
a) 3
b) 4
c) 5
d) 6
25) In a synchromesh device, when members G1 and F1 are
slid to left and cones M1 and M2 are in contact,
a) Direct gear is obtained
b) Second gear is obtained
c) Third gear is obtained
d) Reverse gear is obtained
26) For the second gear in a synchromesh system, the drive
transfer will be through
a) U1, U2, C, F2, and splines
b) U1, U2, C, F1, and splines
c) U1, U3, D, F3, and splines
d) U1, U4, U5, E, F2, and splines
27) Interlocking mechanism is provided in the gear box
cover
a) To prevent engagement of two gears simultaneously
b) To prevent engagement of reverse gear
c) To facilitate the gear selection
d) To avoid the necessity of having neutral gear
28) Stiff spring is used in the selector mechanism
a) To prevent engagement of two gears simultaneously
b) To prevent engagement of reverse gear
c) To facilitate the gear selection
d) To avoid the necessity of having neutral gear
29) Propeller shaft is used for the purpose of
a) Transmitting the drive from the transmission to the
bevel pinion of the final drive
b) Transmitting the drive from the crankshaft to the road
wheels
c) Transmitting the drive from the transmission to the road
wheels
d) Transmitting the drive from the crankshaft to the bevel
pinion of the final drive
30) Slip joints are provided in the propeller shaft
a) To adjust the inclination of the propeller shaft
b) To adjust the length of the propeller shaft
c) To prevent the whirling of the propeller shaft
d) To adjust the up and down movement of the rear axle
31) If two shafts used for transfer of drive are inclined
to each other, then
a) Slip joint is used
b) Flange coupling is used
c) Universal joint is used
d) None of the above
32) The Hook’s joint works efficiently when the propeller
shaft inclination is
a) 18o
b) 28o
c) 38o
d) 48o
33) The number of arms provided to the Cross of the Hook’s
joint is
a) 1
b) 2
c) 3
d) 4
34) The function of the final drive is to
a) Provide a permanent speed reduction
b) To turn the drive round through 90o
c) To provide drive to the rear wheels
d) all of the above
35) The permanent reduction provided by the final drive in
car is
a) 4:1
b) 6:1
c) 8:1
d) 10:1
36) The permanent reduction provided by the final drive in
heavy vehicle is
a) 4:1
b) 6:1
c) 8:1
d) 10:1
37) Single reduction is used in final drive when it is
about
a) 6:1
b) 8:1
c) 10:1
d) 12:1
38) The function of Differential is
a) To prevent wheel skidding
b) To reduce the speed of the inner wheels during turning
c) To keep the speed of all the wheels same when going
straight ahead
d) all of the above
39) The crown wheel of the final drive is connected to
a) Cage
b) Spider
c) Cross pin
d) Axle half shaft
40) In a vehicle, which is going straight ahead at N rpm,
if the left wheel rotates forward at n rpm, then the
resultant speed of the right wheel will be
a) N+n
b) N-n
c) N/n
d) Nn |
Bosch | 1 |
| where is fan located in car?before radiator or between
engine and radiator? |
Ashok-Leyland | 17 |
| i want to make higher studies in automobile (me)
how i can select the college and where i have to contact
them, syllables |
| 1 |
| automobile |
| 2 |
| WHAT IS THE MEANING OF CC OF ENGINE? |
TATA | 13 |
| WHAT IS TRANSVERSE WEIGHT SHIFT DUE TO DRIVE TORQUE? |
TATA | 2 |
| how air condition work in the car? |
| 2 |
| What is the difference between SPC & SQC? |
Pricol | 6 |
| which engine have the high mechanical efficiency eighter 2
stroke engine or 4 stroke engine? |
| 7 |
| For the purpose of inflating car tyres, spray painting,
etc. i.e. say a small workshop, what size of a compressor
(CFM) is recommended? It will be generally for a hobby use
and not commercial use. |
| 1 |
| Types of cooling system in passenger cars? |
Skoda | 5 |
| |
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