D:-mortar
Correct Answer:- Option-C
Question88:-Which part ensures uniform pressure on the measuring faces in a micrometer .....
A:-ratchet stop
B:-thimble

D:-barrel
Correct Answer:- Option-A
Question89:-What is plate with a short handle and is used mainly to hold mortar. What is this tool .....
A:-spade
B:-shovel
C:-hawk

D:-joint filler
Correct Answer:- Option-C
Question90:-Rust is formed from iron and which other element .....
A:-oxygen
B:-hydrogen
C:-nitrogen
D:-sulpher
Correct Answer:- Option-A
Question91:-In the context of water purification RO; stands for ..
A:-reverse osmosis
B:-relative osmosis
C:-reduced osmosis
D:-refreshed osmosis
Correct Answer:- Option-A
Question92:-The use of asbestos cement is banned in some countries because .....
A:-it cannot be repaired easily
B:-it leads to health problems
C:-it is highly corrosive
D:-it is too costly
Correct Answer:- Option-B
Question93:-Metals possess physical and mechanical properties. Which one of the following is a physical property of metals?
A:-Tenacity
B:-Mallea
C:-Fusibility

ity

Correct Answer:- Option-C
Question94:-Which one of the following is the resistance of a metal to elastic deformation .....
A:-stiffness
B:-toughness
C:-strength
D:-ductility
Correct Answer:- Option-A
Question95:-Displacement pumps are of two types
A:-reciprocating and ram
B:-reciprocating and rotary
C:-reciprocating and centrifugal
D:-reciprocating and jet
Correct Answer:- Option-B
Question96:-A portion of the plumbing system that receives discharges of soil and waste stacks within the building and
conveys the same to the house sewer is
A:-main drain
:-501 drain
C:-waste drain
D:-house drain
Correct Answer:- Option-D
Question97:-A plumbing fixture used for washing the middle private part of the body especially the Genitals is .....
A:-bidet