The depth hardness of steel increases by the addition of
The depth hardness of steel increases by the addition of
| Note: | The above multiple-choice question is for all general and Competitive Exams in India. |
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Friction can be increased by
Question: Friction can be increased by
A. using air cushion B. lubricants C. using sand D. using ball bearings Answer» c. using sand Note: The above multiple-choice question is for all general and Competitive Exams in India. Which of the following material is used for photoconductive cells
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A. Selenium B. Thorium C. Mica D. Tungsten Answer» a. Selenium Note: The above multiple-choice question is for all general and Competitive Exams in India. Ratio of critical pressure to inlet pressure in known as
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Question: Majority of the turbines are axial flow type.
A. true B. false Answer» a. true Note: The above multiple-choice question is for all general and Competitive Exams in India. The energy transfer between the hot fluid and cold fluids is brought about by their complete physical mixing in
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A. direct contact heat exchanger B. regenerators C. recuperators D. boilers Answer» a. direct contact heat exchanger Note: The above multiple-choice question is for all general and Competitive Exams in India. Nozzle is used to control direction or characteristics of flow.
Question: Nozzle is used to control direction or characteristics of flow.
A. true B. false Answer» a. true Note: The above multiple-choice question is for all general and Competitive Exams in India.