One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas. 44142 44138 44046 44015 TRUE ANSWER : ? YOUR ANSWER : ?
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Volume Temperature Pressure Enthalpy TRUE ANSWER : ? YOUR ANSWER : ?
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 54 kJ 114 kJ 84 kJ 30 kJ TRUE ANSWER : ? YOUR ANSWER : ?
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to +ve Anywhere between zero and infinity Zero -ve TRUE ANSWER : ? YOUR ANSWER : ?
The work ratio of a gas turbine plant is given by (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) TRUE ANSWER : ? YOUR ANSWER : ?
The natural petroleum may be separated into Lubricating oil Fuel oil Petrol Kerosene TRUE ANSWER : ? YOUR ANSWER : ?
During which of the following process does heat rejection takes place in Carnot cycle? Isentropic compression Isothermal compression Isentropic expansion Isothermal expansion TRUE ANSWER : ? YOUR ANSWER : ?
The value of one bar (in S. I. units) is equal to 1 × 103 N/m2 1 × 104 N/m2 1 × 102 N/m2 1 × 105 N/m2 TRUE ANSWER : ? YOUR ANSWER : ?
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Change None of these Both (A) and (B) Do not change TRUE ANSWER : ? YOUR ANSWER : ?
Absolute zero pressure will occur When molecular momentum of the system becomes zero Under vacuum conditions At sea level At a temperature of 273°K TRUE ANSWER : ? YOUR ANSWER : ?