Technician A says that studs should be installed finger tight. Technician B says that studs must be installed using a thread locker such as Locktite. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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The working load limit (WLL) of a rigging hook is accurate only when the load is suspended from the _____.
a. latch of the hook b. eye of the hook c. throat of the hook d. saddle of the hook
What is one of the required fluid properties for mining operation hydraulic systems?
What will be an ideal response?
Which of the following statements regarding the function of a tandem master cylinder during normal operation is true?
A. primary piston is actuated mechanically B. secondary piston is actuated hydraulically C. there is a single bore D. all of the above
If you wanted to estimate the mean height of all the students at a university, which one of the following sampling strategies would be best? Why? Note that none of the methods are true simple random samples.
i. Measure the heights of 50 students found in the gym during basketball intramurals. ii. Measure the heights of all engineering majors. iii. Measure the heights of the students selected by choosing the first name on each page of the campus phone book.