If in the equation pvn = C, the value of n = 1, then the process is called isothermal process.

A. TrueB. False

Read more

A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as

A. crackingB. carbonisationC. fractional distillationD. full distillation

Read more

A cycle consisting of two constant pressure and two isothermal processes is known as Ericsson cycle.

A. TrueB. False

Read more

Select the correct statement as per Charles’ law

A. p.v = constant, if T is kept constantB. v/T = constant, if p is kept constantC. p/T = constant, if v is kept constantD. T/p = constant, if v is kept constant

Read more

The entropy of the universe is continually on the increase.

A. CorrectB. Incorrect

Read more

In a steady flow process, the rate of

A. heat transfer is constantB. work transfer is constantC. mass flow at inlet and outlet is sameD. all of these

Read more

For the same maximum pressure and temperature,

A. Otto cycle is more efficient than Diesel cycleB. Diesel cycle is more efficient than Otto cycleC. Dual cycle is more efficient than Otto and Diesel cyclesD. Dual cycle is less efficient than…

Read more

The ratio of work doen per cycle to the swept volume in case of compressor is called ______________?

A. compression indexB. compression ratioC. compressor efficiencyD. mean effective pressureE. compressor effectiveness

Read more

Ratio of compression is the ratio of__________________?

A. gauge discharge pressure to the gauge intake pressureB. absolute discharge pressure to the ab-solute intake pressureC. pressures at discharge and suction cor-responding to same temperatureD. stroke volume and clearance volumeE. none of…

Read more

Volumetric efficiency is_____________________?

A. the ratio of stroke volume to clearance volumeB. the ratio of the air actually delivered to the amount of piston displacementC. reciprocal of compression ratioD. index of compressor performanceE. proportional to compression…

Read more