A. start-stop motor
B. constant speed unloader
C. relief valve
D. variable speed
E. none of the above
Correct Answer: start-stop motor ✔
Last Updated: January 24, 2019
Related MCQs
- The volumetirc efficiency of a compressor is calculated on the basis of __________?
- For slow-speed large capacity compressor, following type of valve will be best suited__________?
- The compressor efficiecny is the__________?
- For a compressor, least work will be done if the compression is__________ ?
- To avoid moisture troubles, the branch connections from compressed air lines should be taken from__________?
- To aviod moisture troubles, the compressed air main line should __________?
- The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is__________?
- The thrust on the rotor in a centrifugal compressor is produced by__________?
- A compressor at high altitude will draw__________?
- A centrifugal compressor works on the principle of__________?
- The compressor performance at higher altitude compared to sea level will be __________?
- During peak load periods, the best method of controlling compressors is__________?
- An air compressor may be controlled by__________?
- Separators in compressor installations are located__________?
- Mining industry usually employs following motive power__________?
- In multistage compressor, the isothermal compression is achieved by__________?
- The capacity of compressor will be highest when its intake temperature is__________?
- Reciprocating air compressor is best suited for__________?
- After-cooler is used to__________?
- Rotary compressor is best suited for__________?
- Which is false statement about air receivers __________?
- The clearance volume of the air compressor is kept minimum because__________?
- Ratio of indicated h.p. to shaft h.p. in known as__________?
- Euler’s equation is applicable for__________?
- Which is false statement about multistage compression ?
- Out of the following, from where you will prefer to take intake for air compressor__________?
- Volumetric efficiency of a compressor with clearance volume __________?
- Clearance volume in actual reciprocating compressors is essential __________?
- The net work input required for compressor with increase in clearance volume__________?
- The ratio of work doen per cycle to the swept volume in case of compressor is called __________?
- Ratio of compression is the ratio of__________?
- Volumetric efficiency is__________?
- Volumetric efficiency of a compressor without clearance volume__________?
- Volumetric efficiency of air compressors is of the order of__________?
- Cylinder clearance in a compressor should be __________?
- Ratio of indicated H.P. and brake H.P. is known as__________?
- Aeroplanes employ following type of compressor__________?
- Compression efficiency is compared against__________?
- An ideal air compressor cycle with clearance on p-v diagram can be represented by following processes__________?
- The work done per unit mass of air in compression will’be least when n is equal to__________?
- An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes__________?
- What will be the volume of air at 327°C if its volume at 27°C is 1.5 m3/mt ?
- Isothermal compression though most efficient, but is not -practicable because__________?
- Inter cooling in compressors__________?
- The compressor capacity with decrease in suction temperature__________?
- Standard air is the air at__________?
- Maximum work is done in compressing air when the compression is__________?
- The capacity of a compressor is 5 m /mih. 5 m /min refers to__________?
- Free air is the air at__________?
- 1 m of air at atmospheric condition weighs approximately__________?
- The overall isothermal eiffciency of compressor is defined as the ratio of__________?