Home > Engineering > Mechanical Engineering

Mechanical Engineering

Automobile Engineering – Section 6

1. 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 Answer: Option B 2. The power source for a brake booster is A. exhaust manifold pressure …

Read More »

Automobile Engineering – Section 5

1. The PCV valve incorporates a spring loaded plunger and opens in proportion to the level of vacuum pressure in the intake manifold. A. Agree B. Disagree Answer: Option A 2. The motion of the cam is transferred to the rocker arm, moving it upwards and downwards. This rocker-arm motion …

Read More »

Automobile Engineering – Section 4

1. The purpose of adding pigment to the paint is that it A. optimises the viscosity of paint B. makes paint film hard C. gives colour and filling up effect to the paint D. none of the above Answer: Option C 2. A laminated glass upon cracking A. bursts into …

Read More »

Automobile Engineering – Section 3

1. The frequency of flashing of light per minute in a direction (side turn) indicator is about A. 9 B. 90 C. 900 D. 9000 Answer: Option B 2. Thinner is added to the paint in order to A. make pigments and resin mix easily B. make paint film hard …

Read More »

Automobile Engineering – Section 2

1. The painting of automobiles is done to A. prevent rust from growing on the body B. improve its external appearance C. retain the characteristics of steel for long D. all of these Answer: Option D 2. The main task of a battery in automobiles is to A. supply electricity …

Read More »

Automobile Engineering – Section 1

1. The condition that causes vapour locking in a brake system is A. overheating of the fluid due to frequent brake application B. overcooling of the brakes during high speed driving C. keeping the vehicle without use for an extended period D. an excessively high engine speed on a downhill …

Read More »

Workshop Technology – Section 4

1. A basic shaft is one whose A. lower deviation is zero B. upper deviation is zero C. lower and upper deviations are zero D. none of these Answer: Option B 2. A file with 20 teeth in 25 mm is called A. rough file B. bastard file C. second …

Read More »

Workshop Technology – Section 3

1. The casting method adopted for ornaments and toys of non-ferrous alloys, is A. permanent mould casting B. slush casting C. die casting D. centrifugal casting Answer: Option B 2. In a cold chamber die casting machine A. melting pot is separate from the machine B. melting pot is an …

Read More »

Workshop Technology – Section 2

1. In a unilateral system of tolerance, the tolerance is allowed on A. one side of the actual size B. one side of the nominal size C. both sides of the actual size D. both sides of the nominal size Answer: Option B 2. A two high rolling mill consists …

Read More »

Workshop Technology – Section 1

1. Surface plate is used to check the trueness of flat surfaces. A. True B. False Answer: Option A 2. A zinc diffusion process is called A. galvanising B. anodising C. parkerising D. sherardizing Answer: Option D 3. The accuracy of micrometers, calipers, dial indicators can be checked by a …

Read More »