Question19:-If the system of equations *x + ay = 0", *az + y = 0" and “ax+ z = 0" has infinite number of solutions प्री ` चे
=7
ಹಿಂ

0:--2
Correct Answer:- Option-C
Question20:-The function "F{x} = x~2 (x*2 - 4(x - 1}}* has a local minimum at the point *x = 7
Al
8:--1
C:-4
D:-2
Correct Answer:- Option-D
Question21:-Quick setting cement is produced by adding and by finely grinding the cement.
A:-Gypsum
B:-Aluminium Sulphate
C:-Sodium Sulphate
D:-None of these
Correct Answer:- Option-B
Question22:- aggregates increases the workability of cement concrete.
A:-Angular
B:-Flaky
C:-Elongated
D:-Rounded
Correct Answer:- Option-D
Question23:-Which foundation can be adopted in areas where differential setHement of soil is very high?
A:-Isolated footing
B:-Cantilever footing
C:-Raft foundation
D:-Rubble foundation
Correct Answer:- Option-C
Question24:- is a line which joins subsidiary stations on the main line in a chain surveying.
A:-Tie line
B:-Main line
C:-Base line
D:-None of these
Correct Answer:- Option-A
Question25:-The readings taken with a dumpy level to stations A, B and C are 1.200, 0.900 and 1.050 respectively. What is
the reduced level of station C, if the reduced level of bench mark at station A is 100.000m?
A:-100.000m
B:-100.150m
C:-101.050m
D:-100.300m
Correct Answer:- Option-B
Question26:-Gudgeon pin forms the link between
A:-Piston and big end of connecting rod
iston and small end of connecting rod
C:-Connecting red and crank
D:-Big end and small end of connecting rod
Correct Answer:- Option-B
Question27:-Piston rings are usually made of
A:-Cast Iron
B:-Aluminium
C:-Phosphor bronze
D:-Carbon steel
Correct Answer:- Option-A
Question28:-Which is not the feature of a petrol engine when compared with a diesel engine?
A:-light construction and low initial cost
B:-greater noise and vibration