Steam Boilers, Engines, Nozzles and Turbines
The aim of a compound steam engine is

To reduce the ratio of expansion in each cylinder
All of these
To reduce the temperature range in each cylinder
To reduce the length of stroke

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The power of a boiler may be defined as

The amount of water evaporated from and at 100° C into dry and saturated steam
The evaporation of 15.653 kg of water per hour from and at 100° C
The amount of water evaporated or steam produced in kg per kg of fuel burnt
The ratio of heat actually used in producing the steam to the heat liberated in the furnace

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The efficiency of a boiler is defined as

Ratio of heat actually used in producing steam to the heat liberated in the furnace
None of these
Ratio of the heat liberated in the furnace to the heat actually used in producing steam
Ratio of the mass of steam produced to the mass of total water supplied in a given time

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
The nozzle efficiency is the ratio of

Workdone on the blades to the energy supplied to the blades
Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
None of these
Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam

ANSWER DOWNLOAD EXAMIANS APP