Related Questions

A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car averages when it is driven 10 miles in the city and then 50 miles on the highway?
A 64
B 36
C 12
D 29
A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car average when it is driven 10 miles in the city and then 60 miles on the highway?
A 64
B 36
C 12
D 29
The type of rotary compressor used in aeroplanes, is of
A Centrifugal type
B Axial flow type
C Radial flow type
D None of these
The maximum delivery pressure in a rotary air compressor is
A 10 bar
B 20 bar
C 30 bar
D 50 bar
The criterion of the thermodynamic efficiency for rotary compressor is
A Isentropic compression
B Isothermal compression
C Polytropic compression
D None of the above
Which of the following motors one will choose to drive the rotary compressor?
A D.C. shunt motor
B D.C. series motor
C Universal motor
D Synchronous motor
The thermodynamic efficiency of rotary compressor is based on
A Isothermal compression
B Adiabatic compression
C Isentropic compression
D Polytropic compression
Rotary compressor is best suited for
A Large quantity of air at high pressure
B Small quantity of air at high pressure
C Small quantity of air at low pressure
D Large quantity of air at low pressure
Maximum delivery pressure is a rotary air compressor is of the order of
A 6 kg/cm2
B 10 kg/cm2
C 16 kg/cm2
D 25 kg/cm2
The type of rotary compressor used in gas turbines, is of
A Centrifugal type
B Axial flow type
C Radial flow type
D None of these

Next steps