7.

10.

11.

12.

18.

14.

A second order system would be critically damped when damping ratio is :
(ക) Less than 1 (2) ಔಂಜಯ 1
(0 Greater than 1 (D) Tends to infinity

The order of values of thermal efficiency of Otto, Diesel and Dual cycle when they have equal
compression ratio and heat rejection is :

ಯ ಗ್ರ ಗ್ನು ಗ್ನು (वि) ಗ್ಗ, ಎಗ್ಗು

© ಗ್ರ < ‏لملا < م7 )0( مها < مسميا‎ न

A particle starts from rest and moving with a constant acceleration covers a distance x, in
the third second and x, in the fifth second. The ratio x, /x, is:

കര 35 (೫) 6/9

(0. 9/95 © 1
A system of masses rotating in different parallel planes is in dynamic balance if the
resultant : ⋅

(ಹ) Force is equal to zero

(83) Couple is equal to zero

(©) Force and resultant couple both are equal to zero

(D) Force is numerically equal to resultant couple but neither of them need

necessarily be zero
High vacuum pressure is usually expressed in ;
(ಹ) cm of water (B) pascal
(0 ண . (D) micron
Knocking tendency in a 8I engine reduces with increasing :
(A) Compression ratio (B) Wall temperature
(©) Supercharging (D) Engine speed

A body slides down & smooth inclined plane and takes 4 seconds to reach the bottom. If it
starts from rest at the top the time taken to cover 1/4t of distance from top is :

(A) 2 860. (ए) 1.2sec.
(0) 16௦௦௦. (യ) 159.
Which of the following iron has maximum tensile strength :
(A) Pigiron இ White cast iron

(C) Grey cast iron (D) Nodular cast iron

176/2015 4 कष