79.

80.

81.

82.

83.

84.

85.

Which of the following statement is/are correct about types of machine foundations?
൫ Block type machine foundations consist of a pedestal resting on a footing
(1) Frame type consists of vertical columns having a horizontal frame at their tops
(iii) Box type machine foundation consists of a solid concrete block

(ಯ) Only (i) and (ii) (B) Only (ii) and (iii)

(C) Only 0 ೩೧4 611) (D) 1 0? (76 8/0೪ 0), (1) and (iii)

Which of the following decides the size of the foundation?
(i) The type of the soil
(1) The weight of the machine
(ii) The vibration when it is operating
(A) Only @) (B) Only Gi)
(C) Both @) and (ii) ൯) All of the above (i), (ii) and (iii)

What is the value of lower critical temperature for all plain carbon steels?
(A) 900°C (B) 650°C
(© 723°C (D) 750°C

When the steel on being heated reaches the required temperature, it is held in the same
temperature for a period of time. This allows the heating to take place throughout the section
uniformly. This process is called :

(^) Heating (B) Soaking
(C) Quenching (1) Preheating
Which heat treatment process is used to refine the grain structure of the steel?
(A) Normalising (B) Tempering
(C) Hardening (D) Annealing

Which of the following statement is/are correct?

0) RAMisa permanent memory

(1) Bit is the smallest storage unit in the computer

(iii) Set of characters that has been gathered and translated for some purpose, usually

analysis
(ಯ) Only (i) and (ii) (B) Only (ii) and (iii)
(C) Only 0 ೩೧4 611) (D) 1 0? (76 8/0೪ 0), (1) and (iii)

Which one of the following is a computer program designed to perform a group of coordinated
functions, tasks, or activities?

(A) Von-Neumann architecture of the computer

(B) Operating System

(C) Application Software

(D) Storing device

210/2023 12 A