Manual screeds can be made of wood or _____
a. steel
b. aluminum
c. magnesium
d. fiber-reinforced plastic
c
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Which of the following is a control volume?
A) A balloon expanding as it rises B) A piston/cylinder arrangement during combustion C) A turbine in a power plant D) Air being heated in a house
What is a reasonable value for estimating total equivalent length of the piping system, including fittings in a preliminary design?
A) 200 to 250% of the linear pipe length as the total equivalent length of the piping system, including fittings. B) 150 to 200% of the linear pipe length as the total equivalent length of the piping system, including fittings. C) 250 to 300% of the linear pipe length as the total equivalent length of the piping system, including fittings.
You can place a ladder in the doorway as long as you _____.
a. firmly place the four feet of the ladder on the ground b. securely close the door before you climb the ladder c. place a barricade or guard before climbing the ladder d. let all other workers know that you are on the ladder
In ____, power comes in through the input shaft third gear, which is connected to the input shaft by the third and fourth synchro clutch.
A. low gear B. fixed gear C. third gear D. fourth gear