Related Questions

In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
A safety valve usually employed with stationary boilers is
A Lever safety valve
B Dead weight safety valve
C High steam and low water safety valve
D All of these
Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler
A Increases
B Decreases
C Remain unaffected
D First increases and then decreases
Fire tube boilers are limited to a maximum working pressure of
A 0.17 MN/m2
B 1.7 MN/m2
C 17 MN/m2
D 170 MN/m2
Fire tube boilers are limited to a maximum design working pressure of
A 1 kg/cm
B 6 kg/cm
C 17 kg/cm2
D 100 kg/cm2
In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as
A 50°C and normal atmospheric pressure
B 50°C and 1.1 bar pressure
C 100°C and normal atmospheric pressure
D 100°C and 1.1 bar pressure
A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as
A Cracking
B Carbonization
C Fractional distillation
D Full distillation
The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.
A Pulverised fuel
B Travelling grate stoker firing
C Circulating fluidised bed
D Fluidised bed
Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.
A Reduce SO2 content in
B Catalytically convert SO2 to SO3 in
C Increase the dew point of
D None of these

Next steps