JULY 2016 WORKSHOP CALCULATION & SCIENCE SEMESTER - I

JULY 2016 WORKSHOP CALCULATION  & SCIENCE SEMESTER - I

1. Methods to transmit

heat is/are ........

a)  Conduction

b)  Convection

c)  Radiation

d)  All of these

Answer:- d)  All of these

2. LCM of 4, 12, 15

is ........

a)  15

b)  30

c)  60

d)  None of these

Answer:- c)  60

3. 0.025X5.25=
a)  1.3125
b)  13125
c)  0.13125

d)  0.65625

Answer:- c)  0.13125

4. Mixed fraction 7 5/6

can be simplified as ......

a) 7.83

b)783
c) 5.83

d) 583

Answer:- a) 7.83

5. If X=-5±√4²+9/2

then x=

a)   0.3
c)   8,3

b)   -5,-13
d)   0,-5

Answer:- d)   0,-5

6. a²- b² =

a)   a²+b²-2ab

b)   a2²-b2²-ab

c)   (a-b) (a-b)

d)   None of these

Answer:- c)   (a-b) (a-b)

7. If 9:3 =x: 21 the x=

a) 7
c) 63

b) 27
d)6

Answer:- c) 63

8. 6x7/3+9-5 is ........

a) 1.8

b) 18

c) 9/3

d) 9

Answer:- b) 18

9.  20% of  √400  is .....

a)   4.8

b)  4.0
c)  21/3

d)  2.1

Answer:- b)  4.0

10. For measurement of

high temperature of furnace,

 the instrument used is ......
a) Thermometer

b) Pyrometer

c) Thermocouple

d) None of these

Answer:- b) Pyrometer

11. % of carbon in high carbon

steel is .......

a) 0.2 to 0.4

b)  0.5tol .5

c) 2 to 4

d) All of these

Answer:- b)  0.5tol .5

12. The degree of coldness or hotness

 is known as ..........

a) Power

b) Energy

c) Temperature

d) Heat

Answer:- c) Temperature

13. Aluminum alloy is preferred

than steel in automobiles because

it is more .........
than steel.

a) Cheaper

b) Lighter

c) Available

d) Heavier

Answer:- b) Lighter

14. Which tool material among

the following is the hardest?
a) Ceramic

b) HSS

c) Carbide

d) Diamond

Answer:- d) Diamond

15. By adding 60 to a number

we get five times of the number,

the number is
a) 55

b) 45

c)60

d) 15

Answer:- d) 15

16. Radius in a circle is

equal to ........

a) Diameter

b) Diameter x 2

c) Diameter/2        - ,

d) None of these

Answer:- c) Diameter/2 

17. Which fraction is bigger?

a)  5/12

b)  5/3
c)  15/18

d)  10/12

Answer:- b)  5/3

18. Find the odd one out ....

a) Coal

 b) LPG

c) Hydrogen

d) Steel

Answer:- d) Steel

19. A train travels 220 kilo

meters in 5 hour. Its average

speed is .....
a) 225 km/h

b) 30 km/h

c) 44 km/h

d) 1100 km/h

Answer:- c) 44 km/h

20. The rate of change of displa

cement of a body is called .........
a) Acceleration

b) Speed

c) Momentum

d) Viscosity

Answer:- b) Speed

21. If a body is moving in a

curved  path, the motion of

 the body is called ..........
a) Rectilinear

b) Rotational

c) Curvilinear

d) Harmonic

Answer:- c) Curvilinear

22. If a + b = 9 and ab =20,

then a²+b² is ......

a)  C16

b)  81

c)  41

d)  29

Answer:- c)  41

23. The filament of electric bulb

 is made up of .....

a) Carbon

b) Copper

c) Mica

d) Tungsten

Answer:- d) Tungsten

24. The frequency of DC voltage

 is .....

a) High

b) One

c) Low

d) Zero

Answer:- d) Zero

25. A body is moving with a

velocity of 2m/s. if the velocity

of the body becomes 5m/s after

4 seconds, the acceleration of the

body would be ........
a) 1m/s²

b) 1.5 m/s²

c) 0.75 m/s²

d) 0.375 m/s²

Answer:- c) 0.75 m/s²