MECH QUIZ - ROUND 3

Stellite preserves hardness up to a temperature of _______?

• 350°c
• 500°c
• 900°c
• 1100°c
• 1000°c

The energy possessed by a body for doing work by virtue of its position is called ?

• Potential energy
• Kinetic Energy
• Electrical Energy
• Chemica Energy
• Mechanical Energy

Which of the following items is not a path function ?

• Heat
• Work
• Kinetic Energy
• Thermal conductivity

• Mechanical Energy

In a coupling of a locomotive each of the four pairs is a _____ pair ?

• Sliding
• Turning
• Rolling
• Screw
• Nut

Engine pistons are usually made of aluminium alloy because it ?

• Is lighter
• Wear is Less
• Absorbs Shocks
• Is Stonger
• None of these

Which of the following is medium is compressed in a diesel engine cylinder??

• Air Alone
• Air and Fuel
• Fuel and alone
• All the Above
• None of these

A pressure vessel is said to be thin shell when the ratio of wall thickness of the vessel to its diameter is ______1/10?

• Equal to
• Less than
• Greater than
• More than
• None of these

Reactors for propulsion application are designed for?

• Any form of Uranium
• Natural Uranium
• Enriched Uranium
• Plutonium
• None of these

when did mechanical engineering emerge as a field?

• 16th century
• 17th century
• 18th century
• 19 century
• None of these

Mechanical engineers may also work in the field of bio medical engineering is ?

• True
• False
• Undecided
• No idea
• Nothing