Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mate (Mines)' And exam conducted in the year 2024. And Question paper code was '006/2024/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
D:-Chock/cog/chock mate
Correct Answer:- Option-D
Question86:-Hydraulic props are specified by
A:-failure load
B:-setting load
C:-yield load
D:-designed load
Correct Answer:- Option-C
Question87:-The oil pressured in a hydraulic prop can be set by
A:-open circuit system
B:-closed circuit system
C:-open circuit system/closed circuit system
D:-compressor
Correct Answer:- Option-C
Question88:-Prop density is
A:-number of props required to support a square meter of roof
B:-number of props required to support 10 square meters of roof
C:-number of props required to support a 100 square meters of roof
D:-number of props required to support a complete roadway
Correct Answer:- Option-A
Question89:-Self advancing/walking supports are
A:-open circuit hydraulic props
B:-closed circuit hydraulic props
C:-open circuit hydraulic props/closed circuit hydraulic props
D:-operated by pneumatic pressure
Correct Answer:- Option-A
Question90:-A hydraulic prop is superior to the friction prop on the account of
A:-high loads
B:-uniform loads
C:-high and uniform loads
D:-yield loads
Correct Answer:- Option-C
Question91:-A steel prop has the following advantage compared to a wooden prop
A:-greater strength
B:-reuse and recovery
C:-incombustible