What is the approximate tensile strength of a 7/8 grade five bolt?
A. 75,000 psi
B. 85,000 psi
C. 100,000 psi
D. 120,000 psi
Answer: D
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You need to prepare to perform a First Law analysis on a device. The device contains 2 inlets and one outlet. The device is very large, with the two inlets located ~30 m above the outlet. There is a mechanical shaft entering the system, which the operator informs you is to aid in the mixing of the two fluids. The operators informs you that the flow rates used in this system are low, despite the large size of the system. The operator informs you that the device operates in a steady manner. Beginning with the general equation for the First Law of Thermodynamics, develop a simplified expression that should be suitable for use with this device.
What will be an ideal response?
What is being checked in this illustration?
A) Backlash
B) Side bearing preload
C) Gear pattern
D) Pinion preload
What type of sealing arrangement for pumps is composed of two flat surfaces, one stationary and one rotating with the shaft, that are in close contact with each other to create a seal and prevent leakage?
A. Mechanical packing B. Mechanical seal C. Physical seal D. Physical packing
The underlined part of this thread note, M10 ? 1.5–6H, means:
a. threads per inch b. threads per meter c. major diameter d. thread pitch