CPT Technical Quiz - Mechanical Engineering

In the atmosphere, ultraviolet rays are absorbed by

• Oxygen

• Nitrogen

• Ozone

• Helium

Oil rises up the wick in a lamp because:

• oil is very light

• of the diffusion of oil through the wick

• of the surface tension phenomenon

• of the capillary action phenomenon

Conversion of chemical energy into electrical energy occurs in:

• dynamos

• electric heaters

• battery

• atomic bombs

‘Short-sight’ in human eye can be corrected by using proper:

• convex lens

• concave lens

• cylindrical lens

• bifocal lens

A multimeter is used to measure:

• current

• voltage

• resistance

• All of the above

Which of the following is a non-renewable source of energy?

• Biogas

• Solar

• Wind

• Coal

Which turbine is also called as the propeller turbine?

• Kaplan turbine

• Francis turbine

• Pelton wheel

• Thompson turbine

Which of the following is not a property of a thermodynamic system?

• Internal energy

• Heat

• Pressure

• Temperature

In a shaper machine, the mechanism for tool feed is

• Geneva mechanism

• Ratchet and pawl mechanism

• Ward-Leonard system

• Whitworth mechanism

Ratio of shear stress and shear strain is called

• Modulus of rigidity

• Poisson’s ratio

• Elasticity coefficient

• Safety Coefficient