What will be the reliability factor KR ? Type the final answer(s) below, to two decimal places.  And upload all written work as a pdf after the exam. 

A motor is providing 2 HP at speed n=1000 rpm to the input of an open (not-enclosed) gearbox as shown below. All motion is uniform, there are no shocks.  The gearbox has one pinion and one gear. The pinion has 20 teeth. Gear has 40 teeth. They both have full-depth and crowned teeth They both have face width F = 1 inch. They both have helix angle Ψ  is 30 degrees. The normal pressure angle ϕn is 25 deg.  Hence, the transverse pressure angle ϕt is atan( tanϕn/cosΨ ) =  28.3001 deg.  The normal diametral pitch Pn is 12 teeth/inch. Hence, the transverse diametral pitch Pt is 12*cos(30) = 10.3923 teeth/inch. They both are made of Grade-1 through-hardened steel of quality Qv = 7 The Brinell Hardness of both gears is HB = 300. The reliability is 0.95 for both gears.  We want the both gears to survive by the time pinion has rotated for 109 cycles. If you need any further information, please assume the default / best case value.    Answer the questions below. They all pertain to this problem and data provided above. 

What will be the Overload factor Ko for pinion? Type the final answer(s) below, to two decimal places.And upload all written work as a pdf after the exam. 

If the pinion has 20 teeth, what will the maximum number of teeth on the gear to avoid interference?

Pellagra is associated with deficiency of which of the following vitamins?

Which of the following statements about methemoglobinemia is FALSE:

A common cardiac marker used to assess a healthy person’s risk for coronary heart disease is:

An individual is brought to the emergency department of a local hospital with signs of narcotic overdose and respiratory depression (inability to expel CO2). What acid-base status would this individual have?

The enzyme, which exists chiefly in skeletal muscle, heart, and brain, is grossly elevated in active muscular dystrophy, and rises early in myocardial infarction is:

A cardiac marker that increases progressively with increasing severity of disease and is not increased (or decreased) in conditions that mimic congestive heart failure is: