Exam Guidelines Exam Instructions
Question 1 of 20 :
Select the best answer for the question.
1. The
is a device that connects a stationary object to a fall restraint vest.
O A. restraint
O B. tie-off
C. lanyard
O D. sling
O Mark for review (Will be highlighted on the review nagel

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.