57. In a lathe, which one of the following is used to hold hollow work pieces to machine their
external surface :
(A) Chucks (B) Mandrels
(C) Centers (D) Lathe dog or Carrier

58. If‘ FC’ is the total fixed cost, ‘VC’ is the variable cost per unit and ‘SP’ is the selling price
per unit, then Brake Even Point (BEP) in terms of sales revenue is equal to :

⋅ £C FC
(A) ದ್‌್‌ (8) ನ್‌
1+— ‏پل‎

VC SP

‎FC FC‏ ع
‎ಆ ५‏

‎176 SP

‎89. If‘ D’ is the annual demand in units, ‘C’ is the order cost and‘ H’ is the holding cost per unit
per year, then the Economic Order Quantity (EOQ) is equal to :

‎fe ஹே
^ हक 42:
f= fe
(೧) ನ್‌ (2) CD
60. Which one of the following layout is suitable for continuous production?
(A) Process layout , (ठ) Product layout
(C) Mixed layout (D) Static layout

‎61. Aclosed system is one in which :
(A) Heat and work crosses the boundary of the system but mass does not crosses the
boundary
(B) Both heat and work as well as mass crosses the boundary of the system
(C) Mass crosses the boundary of the system but heat and work does not crosses the
boundary
(D) Neither the heat and work nor the mass crosses the boundary of the system

‎62. In a vapour compression refrigeration system before entering the throttle valve, the
refrigerant is in the form of :
(A) Superheated vapour (B) Wet vapour
(C) High pressure saturated liquid ൩) Dry vapour

‎63, The efficiency of Carnot cycle is maximum when :
(A) Initial temperature is 0°K
(B) Final temperature is 0°K
(0) Difference between initial and final temperature is 0°K
(D) Keeping the final temperature constant

‎005/2016 ⋅ 10 A