All of the following statements are correct EXCEPT ________
A) Avoid high-pressure rinsing of ignition wires or distributor caps.
B) Engine degreaser often uses engine heat to dissolve grease.
C) It is normal for an engine to stall when sprayed with water.
D) Leak detecting dye should be used with a black light.
C
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Problem 1.48 For the support of Prob. 1.47, knowing that the diameter of the pin is d = 16 mm and that the magnitude of the load is P = 20 kN, determine (a) the factor of safety for the pin, (b) the required values of b and c if the factor of safety for the wooden member is the same as that found in part a for the pin. Problem 1.47 A load P is supported as shown by a steel pin that has been inserted in a short wooden member hanging from the ceiling. The ultimate strength of the wood used is 60 MPa in tension and 7.5 MPa in shear, while the ultimate strength of the steel is 145 MPa in shear. Knowing that b = 40 mm, c = 55 mm, and d = 12 mm, determine the load P if an overall factor of safety of 3.2 is desired.
If the individual wires in adjacent strands of a rope change direction, with the wires following the lay of the strand in one while opposing the lay of the adjacent strand, the rope has a(n) _____.
a. right lay b. regular lay c. alternate lay d. lang lay
Apprentices typically receive a pay increase after each _____.
a. 40 hours of related work b. 100 hours of related work c. 500 hours of related work d. 1,000 hours of related work
What is the temperature rise of a furnace with a supply air temperature of 130°F and a return air temperature of 75°F, operating in an ambient temperature of 50°F?
A) 75°F - 50°F = 25°F temperature rise B) 130°F - 50°F = 80°F temperature rise C) 50°F + 75°F = 125°F temperature rise D) 130°F - 75°F = 55°F temperature rise