What will be the volume of air at 327°C if its volume at 27°C is 1.5 m3/mt ?

Related Mcqs:

1. A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is___________________?

   A. 400 kg/cm2
   B. 4000 kg/cm2
   C. 40 x 105 kg/cm2
   D. 40 x 106 kg/cm2
   E. none of the above

2. The clearance volume of the air compressor is kept minimum because____________________?

   A. it allows maximum compression to be achieved
   B. it greatly affects volumetric efficiency
   C. it results in minimum work
   D. it permits isothermal compression
   E. none of the above

3. In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?

   A. N.T.P. conditions
   B. intake temperature and pressure conditions
   C. 0°C and 1 kg/cm2
   D. 20°C and 1 kg/cm2
   E. none of the above

4. 02 content in atmospheric air on volume basis is___________________?

   A. 21%
   B. 23%
   D. 30%
   D. 40%
   E. 70%

5. Free air is the air at________________?

   A. atmospheric conditions at any specific location
   B. 20°C and 1 kg/cm2 and relative humidity of 36%
   C. 0°C and standard atmospheric conditions
   D. 15°C and 1 kg/cm2
   E. 25°C, 1 kg/cm2 and relative humidity of 50%.

6. Standard air is the air at_____________________?

   A. atmospheric conditions at any specific location
   B. 20°C and 1 kg/cm2 and relative humidity 36%
   C. 0°C and standard atmospheric conditions
   D. 15°C and 1 kg/cm2
   E. 25°C, 1 kg/cm2 and RH of 60%.

7. The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?

   A. lean mixture
   B. chemically correct mixture
   C. rich mixture
   D. unpredictable
   E. none of the above

8. Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?

   A. Lean mixture
   B. Chemically correct fuel air ratio
   C. Rich mixture
   D. Unpredictable

9. The m.e.p. of a petrol engine first increases as the fuel air ratio is increased and then decreases on further increase in fuel air ratio. The M.E.P is maximum in the zone of________________?

   A. lean mixture
   B. chemically correct mixture
   C. rich mixture
   D. unpredictable
   E. none of the above

10. What is the weight (in lbf) of one gallon of air at 1 atm and 25˚C? The molecular mass of air is 28.97 g/mole = 0.02897 kg/mole

    A. 90 lbf
    B. 65.78 lbf
    C. 0.00989 lbf
    D. 3.00989 lbf

    Submitted by: Faheem Zaman Dhaunroo