Steam Boilers, Engines, Nozzles and Turbines
The relative efficiency is defined as the

Ratio of brake power to the indicated power
Product of thermal efficiency and Rankine efficiency
Ratio of thermal efficiency to Rankine efficiency
Ratio of heat equivalent to indicated power to the energy supplied in steam

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement is correct for a compound steam engine?

The forces in the working parts are increased as the forces are distributed over more parts
The temperature range per cylinder is increased, with corresponding increase in condensation
The ratio of expansion is reduced, thus reducing the length of stroke
The cost of the engine, for the same power and economy, is more than that of a simple steam engine

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
Besides mean effective pressure, the data required to determine the indicated power of an engine include

Piston diameter, length of stroke and speed of rotation
Piston diameter, length of stroke and calorific value of fuel
Piston diameter, specific fuel consumption and Calorific value of fuel
Specific fuel consumption, speed of rotation and torque

ANSWER DOWNLOAD EXAMIANS APP