When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

If a spring is cut down into two springs, the stiffness of cut springs will be

A

Half

B

Same

C

Double

D

None of the above

L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?

A

O is the shortest of the group.

B

N is the second tallest of the group.

C

L is the tallest of the group.

D

Q is the third oldest of the group.

A number is greater than 3 but less than 8. Also, it is greater than 6 but less than 10. The number is -

A

8

B

5

C

6

D

7

The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =

A

15

B

33

C

34

D

51

Smoking is detrimental ___health.

A

for

B

with

C

to

D

after

The effects of skin-whitening products are detrimental on society because people`s self-esteem is degraded . ‘ What is the meaning of underlined word ?

A

noticeable

B

harmful

C

obvious

D

common

Strenuous exercises soon _____ meals is detrimental ______ health.

A

after, to

B

through, against

C

before, for

D

from, upon

Smoking proves detrimental ___ health.

A

for

B

on

C

with

D

to

The most detrimental impurity in high pressure boiler feed water is

A

Suspended salt

B

Dissolved salt

C

Silica

D

Turbidity

Which of the following impurities in feed water for high pressure boiler is the most detrimental?

A

Silica

B

Dissolved oxygen

C

Suspended salt

D

Dissolved salt

When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than

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