RRB JE Exam Held ON 14-12-2014 PAPER CODE- RED TSD001114 (Part-2)

RRB JE Exam Held ON 14-12-2014

PAPER CODE- RED TSD001114

For Previous 1 – 25 Questions Click Here

26. If t_o, t_p and t_m are the optimistic, pessimistic and most likely time estimates of activity respectively, then the expected time ‘t’ of the activity will be :

A. (t_o + t_p + t_m)/3
B. (t_o + t_p + 3t_m)/5
C. (t_o + t_p + 2t_m)/4
D. (t_o + t_p + 4t_m)/6

Answer: D

27. Find the value of [(768)³ + (232)³] / [(768)² – (768 X 232) + (232)²] :

A. 1000
B. 536
C. 500
D. 268

Answer: A

28. For perfectly elastic bodies, the value of coefficient of restitution is :

A. zero
B. 0.5
C. 1.0
D. 0.25

Answer: C

29. If 1^st January, 2014 was Wednesday, then 29th December, 2014 will be :

A. Thursday
B. Monday
C. Saturday
D. Friday

Answer: B

30. The thermal diffusivity of a substance is given by :

A. kr/c
B. k/rc
C. kc/r
D.rc/k

[Where k = Thermal conductivity; r= Mass density; c= Specific heat]

Answer: B

31. Which of the following is biodegradable pollutant ?

A. DDT
B. BHC
C. Cotton cloth
D. Mercury

Answer: C

32. Sachin is younger than Rahul by 4 years. If their ages are in the ratio of 7 : 9, then how old is Sachin ?

A. 14 Years
B. 21 Years
C. 18 Years
D. 25 Years

Answer: A

33. Find the value of (1+2+3+4+- – – – – -+45) :

A. 2140
B. 2070
C. 1035
D. 1280

Answer: C

34. When an object is cut by a section plane, parallel to H.P. and perendicular to V.P., then the sectional view of the object is obtained in :

A. Top view
B. Front view
C. Left side view
D. Right side view

Answer: A

35. The pressure exerted on the walls of container by a gas is due to the fact that Gas molecules:

A. Strike to the walls of the container
B. Lose their kinetic energy
C. Get accelerated towards the wall
D. Change their momentum due to collision with the wall.

Answer: D

36. Which National Park is known for the ‘Asiatic Lions’ ?

A. Corbett National Park
B. Kanha National Park
C. Bandipur National Park
D. Gir National Park

Answer: D

37. Separation of water or sand or cement from a freshly mixed concrete is known as:

A. Segregation
B. Creeping
C. Bleeding
D. Flooding

Answer: C

38. The relationship between Bulk density (y), Dry density (y_d) and water content (w) for soil is :

A. y = y_d(1 + w)
B. y_d = y(1 + w)
C. y = y_d/1 + w
D. y = y_d/(1-w)

Answer: A

39. Which one of the following instruments will be used for measuring electric current?

A. Voltmeter
B. Ammeter
C. Ohmmeter
D. Wavemeter

Answer: B

40. In a certain code language, ‘HAND’ is written as ‘SZMW’, then what will be the code of ‘MILK’

A. ORNP
B. PNRO
C. NROP
D. RNOP

Answer: C

41. Find the simple interest on Rs. 4800 at the rate of 8_1/2% per annum for a period of 2 years 3 months

A. Rs. 796
B. Rs. 816
C. Rs. 918
D. Rs. 990

Answer: C

42. Choose the option which correctly shows the relationship between Modulus of Elasticity (E) ; Modulus of Righdity (C) and Bulk Modulus (K):

A. E = (KC)/(K + C)
B. E = (2KC)/(2K + C)
C. E = (9KC)/(3K + C)
D. E = (3KC)/(K + 2C)

Answer: C

43. The term ‘ Operating System’ means :

A. A set of programmes which controls computer working
B. The way a computer operator works
C. Conversion of high level language into machine level language
D. None of these

Answer: A

44. Which of the following is not a cold working process ?

A. Extrusion
B. Slitting
C. Blanking
D. Lancing

Answer: A

45. The famous chinese pilgrim ‘Hieun Tsang’ visited India during the reign of :

A. Harshavardhan
B. Chandragupta II
C. Ashoka
D. Kanishka

Answer: A

46. The language which a computer can understand is ;

A. High Level Language
B. Machine Language
C. Assembly Language
D. All of these

Answer: B

47. The property of material by which it can be rolled into sheets is called:

A. Elasticity
B. Plasticity
C. Ductility
D. Malleability

Answer: D

48. Schmitt trigger is also known as :

A. Sweep circuit
B. Blocking oscillator
C. Squaring circuit
D. Stable multivibrator

Answer: C

49. A triac is a

A. Two terminal bi-directional switch
B. Three terminal bi-directional switch
C. Two terminal uni-directional switch
D. Three terminal uni-directional switch

Answer:  B

50. Cyclo converter converts ;

A. AC to DC
B. DC to AC
C. A fixed AC to a variable magnitude AC
D. A fixed DC to a variable magnitude DC

Answer: C

                       For Next 51-75 Questions Click Here