Kerala PSC Previous Years Question Paper & Answer
Page:6
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.
A:-Drill
B:-Bit
C:-Circulation fluid
D:-Rock type
Correct Answer:- Option-D
Question27:-Cutting sequence of a percussion drill bit
A:-radial cracks-large chips-crushed powder-final outline of crater
B:-radial cracks-crushed powder-large chips-final outline of crater
C:-large chips-radical cracks-crushed powder-final outline of crater
D:-large chips-crushed powder-radical cracks-final outline of crater
Correct Answer:- Option-B
Question28:-The wagron drill machine can drill hole of _____—s diameter.
A:-upto 40 mm
B:-40 - 100 mm
C:-60 - 125 mm
D:-150 - 300 mm
Correct Answer:- Option-B
Question29:-The removal of ice wall after completion of sinking by sending hot
brine through holes in freezing method of sinking shaft is known as
A:-Defreezing
B:-Silicatisation
C:-Post freezing
D:-Thawing
Correct Answer:- Option-D
Question30:-The usual gradient for the inclines is
A:-Lin 4
B:-1 in 3
C:-lin 2
0:-110 1
Correct Answer:- Option-A
Question31:-A competent person means he is attained the age of
A:-18 years
B:-16 years
C:-20 years
D:-23 years
Correct Answer:- Option-C