Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-fourth One-third One-half Double One-fourth One-third One-half Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have Low efficiency Strong teeth High efficiency Very fine threads Low efficiency Strong teeth High efficiency Very fine threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B. Twice Sixteen times Four times Eight times Twice Sixteen times Four times Eight times ANSWER DOWNLOAD EXAMIANS APP
Machine Design A saddle key __________ power through frictional resistance only. Transmits Does not transmit None of these Either A or B Transmits Does not transmit None of these Either A or B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Pitch circle diameter × cosφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ Pitch circle diameter × cosφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2100 N-m 2000 N-m 2050 N-m 2136 N-m 2100 N-m 2000 N-m 2050 N-m 2136 N-m ANSWER DOWNLOAD EXAMIANS APP