Which tool should not be used to make a hole in a concrete loor A) Carbide tippe
ID: 2073621 • Letter: W
Question
Which tool should not be used to make a hole in a concrete loor A) Carbide tipped core drill B) Carbide tipped masonry drill C) Dianond drill point D) High speed drill 36) In carpentry, a standing menber is considering plumb when it is A) Perpendicular to the horizontal B) Level to the floor C) Attached to the floor D) Attached to the wall 37) The function of an unloader valve on an air compressor is to A) Release compression during starting B) Remove water fro= cooler C) Remove excess oil D) Decompress the air receiver 38) An example of a dead-blow tool used to install an o1l seal is A) Ball peen hagner B) Rawhide mallet C) Claw hanmer D) Sledge hamser 39) What is the purpose of the shaft sleeve in the stuffing box ra of a pump? A) Haintain pressure on packing B) Distribute lubricant to packing C) Protect shaft from wear caused by packing D) To keep bearing free of water 40) Which of the following materials is not recommended for manufacturing of the 'stationary portion of a mechanical seal? A) Ceranic B) Stellite C) Cast iron D) CarbonExplanation / Answer
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Correct answer: Option (D) High speed drill
Explaination: Tools given in option (A), (B) and (C) are suitable for drilling concrete but HSS drill which gives high speed drilling. If the hole is deep or of large diameter, the bit will become excessively hot and drilling progress will be slower. so high speed drill can not be used for concrete.
36
Correct answer: Option (B) Level to the floor
Explaination:
Level means straight from side to side and plumb means straight up and down. when something is plumb it means it is straight up and down. If it is at 90o angle to ground or floor on all sides it is plumb.
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Correct Answer: Option (A)
Explaination : An unloader volve is an integral part of reducing the pressure on the air compressor’s motor during the course of air compression.The unloader valve periodically releases pressurized air building up inside the air compressor.
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Correct answer : Option (B) Rawhide mallet
Explaination : Other hammers cause scratches and dents during the hammering impact but Rawhide mallet taps out the old seal gentally with controlled impact .
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