Machine Design When a metal or alloy is cold worked, None of these It is worked below recrystallization temperature Both (A) and (B) Its hardness and strength increases None of these It is worked below recrystallization temperature Both (A) and (B) Its hardness and strength increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The coefficient of friction between the belt and pulley depends upon the Speed of belt Material of belt and pulley All of these Slip of belt Speed of belt Material of belt and pulley All of these Slip of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the endurance limit Maximum stress to the nominal stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / m) √(Pmax / 2m) √(3m /Pmax) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The temperature at which the new grains are formed in the metal is known as Recrystallization temperature None of these Upper critical temperature Lower critical temperature Recrystallization temperature None of these Upper critical temperature Lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring is used to Store energy All of these Measure forces Apply forces Store energy All of these Measure forces Apply forces ANSWER DOWNLOAD EXAMIANS APP
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