Cochran boiler is a Horizontal water tube boiler Horizontal fire tube boiler Vertical fire tube boiler Vertical water tube boiler TRUE ANSWER : ? YOUR ANSWER : ?
Clearance ratio is the ratio of Clearance volume to the swept volume Clearance volume to the volume at cut-off Swept volume to the clearance volume Volume at cut-off to the swept volume TRUE ANSWER : ? YOUR ANSWER : ?
An economiser in a boiler Decreases fuel consumption Decreases steam pressure Increases steam flow Increases steam pressure TRUE ANSWER : ? YOUR ANSWER : ?
Lancashire boiler is used where working pressure and power required are None of these Low Moderate High TRUE ANSWER : ? YOUR ANSWER : ?
In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts. and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is 0.8 0.25 0.5 0.4 TRUE ANSWER : ? YOUR ANSWER : ?
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Pressure gauge Feed pump Feed check valve Injector TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the clearance volume to the swept volume is called Clearance ratio Expansion ratio Cut-off ratio None of these TRUE ANSWER : ? YOUR ANSWER : ?
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. Less than None of the listed here Equal to More than TRUE ANSWER : ? YOUR ANSWER : ?
Lancashire boiler is a Water tube boiler with natural/forced circulation Stationary fire tube boiler Stationary water tube boiler Mobile fire tube boiler TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler? Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler TRUE ANSWER : ? YOUR ANSWER : ?