8. The process used in summer air conditioning is known as :
(^) Humidification (B) Heating and humidification
(C) De humidification (D) Cooling and dehumidification
9. Temperature of human body is 94.2°F. Its corresponding temperature in celsius scale is :
(ಹ) 73.785% (B) 34.56८
(0. 371.430 D) 110.671
10. In the cast Iron the percentage of carbon usually varies between :
ಯ) 05 10% (0) 016 0.2%
(@ 1.01 4564 D) 2.5 ७० 3.5%
11. The ratio of total emissive power of a body to the total emissive power of a black body is
called :
(ல Reflectivity (B) Absorptivity
(ಲ) Transmitivity (D) Emissivity
12. TFactor of safety is defined as the ratio of :
(ಗ) Endurance limit to yield stress രു Elastic limit to ultimate stress
)0 Yield stress to working stress (D) Breaking stress to working stress
13. A simply supported beam of span (7 carries a uniformly distributed load over the
whole span. The shear force diagram will be :
(ಸ) arectangle (03) ೩1೩೧016
(0) two equal and opposite triangles (D) two equal and opposite rectangles
‏کت‎ When a shaft of diameter d 15 subjected to torsional load T, the maximum shear
stress f5, induced in the shaft is given by the relation :
647 16T
@) fs= ட்‌
7 ಸರನೆ & ‏تیر‎
‎81" 32T
(0 ‏در[‎ 0
श्यः 0 ग्यः
15. The torsion equation is given by :
ல 7/7- ௩/0 ௨09/2. യ 7//% 278/4 ೬00/1
(0) T/R=fs/d=COIL യ (1 = £= 0 = 8
154/2015 4 A