Two shafts 'A' and 'B' are made of same material. The shaft 'A' is of diameter D and shaft 'B' is of diameter D/2. The strength of shaft 'B' is __________ as that of shaft 'A'
Options
A. one-eighth
B. one-fourth
C. one-half
D. four times
Correct Answer
one-eighth
More questions
1. In an impulse turbine
Options
A. the steam is expanded in nozzles only and there is a pressure drop and heat drop
B. the steam is expanded both in fixed and moving blades continuously
C. the steam is expanded in moving blades only
D. the pressure and temperature of steam remains constant
Correct Answer: the steam is expanded in nozzles only and there is a pressure drop and heat drop
2. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be