InnoQuiz_CW37 2023

One litre of water occupies a volume of

• 100 cm3

• 1000 cm3

• 1000 mm3

• 1000 m3

In One dimensional flow, the flow

• is steady and uniform

• takes place in straight line

• takes place in curve

• takes place in one direction

The condition that causes vapour locking in a brake system is

• overheating of the fluid due to frequent brake application

• overcooling of the brakes during high speed driving

• keeping the vehicle without use for an extended period

• an excessively high engine speed on a downhill road

Which of the following symptom is caused as a result of brake disc run out ?

• Ineffectiveness of the brakes

• fluctuation/oscillation during braking

• Localized wearing of the brake pads

• Rapid wearing of the brake pads

If the engine coolant leaks into the engine oil, then engine oil

• appears milky

• becomes foamy

• turns black

• none of these

The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

• equal to

• less than

• more than

Which of the following is an example of laminar flow?

• Under ground flow

• Flow past tiny bodies

• Flow of oil in measuring instruments

• all of these

In radial tyres, which one of the following is true.

• one ply layer runs diagonally one way and another layer runs diagonally the other way

• all plies run parallel to one another and vertical to tyre bead

• inner tubes are always used

• none of these

The main function of intake manifold is that it

• promotes the mixture of air and fuel

• reduces intake noise

• cools the intake air to a suitable temperature

• distributes intake air equally to the cylinders

The compression ratio in petrol engine is kept less than in Diesel engine because

• it makes petrol engines lighter

• higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition

• less compression ratio gives better performance

• it is just customary to have less compression ratio in petrol engines