# Skill Innovation & Employability Program Quiz

30 Questions | Total Attempts: 152  Settings  • 1.
A 470  resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is
• A.

212

• B.

2.12 mS + j3.14 mS

• C.

3.14 mS + j2.12 mS

• D.

318.3

• 2.
A positive angle of 30° is equivalent to a negative angle of
• A.

–30°

• B.

–330°

• C.

–60°

• D.

–180°

• 3.
In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is
• A.

3 V

• B.

27 V

• C.

19.2 V

• D.

1.9 V

• 4.
Solve the following equation for the two roots of x:   x2 — 16 = 0
• A.

X = 2i,   –2i

• B.

X = 4i,   –4i

• C.

X = 4,   –4

• D.

X = 2,   –2

• 5.
Solve the following equation for xy, and z: x – y + z = –1   –x + y + z = –1   x + 2y – 2z = 5
• A.

X = 1,      y = 1,      z = –1

• B.

X = 5/3,      y = 7/6,      z = –1/2

• C.

X = –2/3,      y = –2/3,      z = –1

• D.

X = –1,      y = 1,      z = 1

• 6.
At room temperature the current in an intrinsic semiconductor is due to
• A.

Holes

• B.

Electrons

• C.

Ions

• D.

Holes and electrons

• 7.
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.
• A.

True

• B.

False

• 8.
If the valve clearances are excessively large, the problem that can arise is
• A.

Overheating of the engine

• B.

Incomplete valve closure

• C.

Fouling of spark plug by gasoline

• D.

None of these

• 9.
The brake pedal during ABS operation
• A.

Is pushed upward forcefully

• B.

Pedal stroke becomes longer

• C.

Transmits slight kickback to the driver's foot

• D.

All of the above

• 10.
Two speed reverse gear arrangement is generally provided in case of
• A.

Passenger cars

• B.

• C.

Tractors

• D.

Trucks

• 11.
Odometer is an instrument used for measurement of
• A.

Power

• B.

Fuel consumption

• C.

Engine r.p.m.

• D.

Distance

• 12.
A heat treated glass generally used in automobiles bursts into __________ upon cracking,
• A.

Sharp edged fragments

• B.

Small particles

• 13.
In a four wheel drive (4WD), the number of gear boxes are
• A.

1

• B.

2

• C.

3

• D.

4

• 14.
How many cells are used in a 12 volt car battery ?
• A.

2

• B.

4

• C.

6

• D.

8

• 15.
An over-inflated tyre will wear the tread most near the
• A.

Edges

• B.

Corners

• C.

Centre

• D.

None of these

• 16.
F a tyre is designated as 175/65 R14 82 S, then the aspect ratio for the tyre is
• A.

175

• B.

65

• C.

14

• D.

82

• 17.
Toe-in ensures parallel rolling of the wheel thus stabilizing steering in addition to preventing both sides slipping and excessive tyre wear.
• A.

True

• B.

False

• 18.
The specific gravity of petrol is about
• A.

0.75

• B.

0.85

• C.

0.95

• D.

1.25

• 19.
Which one of the following statement correctly describe the construction of a bevel-gear type differential?
• A.

The drive shafts are splined to the differential carrier.

• B.

The left side gear and the differential carrier rotate in constant unison.

• C.

The differential carrier houses differential pinion gears and side gears, each pinion gear meshes with a different side gear.

• D.

The differential carrier houses differential pinion gears and side gears

• 20.
The brake warning light warns the driver of
• A.

Water in the master cylinder

• B.

Air in the hydraulic system

• C.

Failure of the primary or secondary circuit of hydraulic system

• D.

Power-brake failure

• 21.
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
• A.

Engine can run

• B.

Engine gives maximum output

• C.

Engine is most efficient

• D.

Fuel can be used in a test engine without knocking

• 22.
The formula for Iso-octane is
• A.

C8H18

• B.

C7H17

• C.

C6H18

• D.

C7H18

• 23.
The function of a governor in automobiles is to
• A.

Limit the power

• B.

Limit the vehicle speed

• C.

Maintain constant engine speed

• D.

Maximise the fuel economy

• 24.
Which one of the following statements correctly describes the construction of a planetary gear type differential ?
• A.

The six planetary pinions rotate in constant mesh with the internal gears.

• B.

One drive shaft is splined to the central gear and the other to the planetary gear.

• C.

Each planetary pinion gear meshes with both the central gear and the internal gear.

• D.

The internal gear is fixed to the planetary gear.

• 25.
A petrol engine of a car develops 125 N-m torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is
• A.

8.091 N-m

• B.

80.91 N-m

• C.

809.1 N-m

• D.

8091 N-m Back to top