Question 373Steam Plants - 1st Asst/Chief70% to pass
What is the significance of pinion deflection in the operation of reduction gears?
AI Explanation
The correct answer is A) Pinion deflection causes unequal tooth loading.
Explanation:
Pinion deflection is an important consideration in the operation of reduction gears. When the pinion experiences deflection under load, it causes the teeth to become unevenly loaded across the face width. This unequal tooth loading can lead to accelerated wear and potential gear failure. Option A correctly identifies this as the key significance of pinion deflection.
The other options are incorrect: Option B is incorrect because a longer pinion is not necessarily more rigid - the design must account for pinion deflection. Options C and D are incorrect because unequal tooth loading, not excessive wear at specific locations, is the primary issue caused by pinion deflection.
Related Questions
#371 Turbine casing flanges are sometimes provided with a system of joint grooving to _______________.#372 The reduction gear shown in the illustration is a/an _______________. Illustration SE-0013 #374 The purpose of the main reduction gears is to _______________.#375 Regarding main reduction gears, when high speed first reduction pinions and gears are connected to low speed pinions and gears, each contained in a sequential portion of the gear housing, the reduction gear unit is known as _______________.#376 The component labeled "II", as shown in the illustration is called the _______________. Illustration SE-0013