A rope brake dynamometer falls under the category of
A.Mechanical friction type dynamometer
B.Hydraulic dynamometer
C.Transmission type dynamometer
D.Torsion type dynamometer
E.Electrical type dynamometer
Category: Heat Engines Mcqs
The efficiency of a jet engine is higher at
A.Lower altitudes
B.Higher altitudes
C.Low speeds
D.High speeds
E.High speeds and low altitudes
The blades of a turbine are made of
A.Cast iron
B.Nickel alloy
C.Stainless steel
D.Alloy steel
E.High speed steel
If in a compression ignition engine the noise level is to be reduced, the design features which will not be affected are
A.Combustion system
B.Exhaust muffling
C.Intake muffling
D.Fuel injection equipment
E.None of the above
Which one of the following factors will not assist in getting high power output from a compression ignition engine
A.High compression ratio
B.Fine atomisation of fuel
C.High charge density
D.Large quantity of excess air
E.None of the above
For the same maximum pressure and heat input the least efficient cycle is
A.Brayton
B.Otto cycle
C.Diesel cycle
Total sulphur content in a diesel fuel oil must not exceed
A.1%
B.0.50%
C.0.10%
D.0.05%
E.0.01%
