NOCTI study guide (Pre-Engineering/engineering technology)

The government organization whose purpose is to set and enforce worksite safety and health standards is (blank)? - Answer- OSHA when storing gas cylinders, it is important that they be in stored in (blank). - Answer- well-ventilated areas Surge protectors are installed on electrical equipment to protect equipment from (blank). - Answer- sudden power increases The effect of mixing oil and compressed oxygen is (blank) - Answer- an explosion or fire The main components of the engineering design process include identifying, defining, selecting, implementing, and (blank) - Answer- evaluating Gear A has 44 teeth and rotates at 100 RPM driving gear B which has 88 teeth. What is the RPM of gear B? - Answer- 50 RPM A civil engineer is ordering guardrail to create a triangular barrier around a hazard at a trucking terminal. The two shortest sides of the triangle meet at a right angle, and are 20 feet, and 10 feet long. To the nearest foot, how long is the third side? - Answer- 22 feet A failed compressor at an ice cream factory will cost $7,500 at replace and will shut down production for 3 hours at $5,000 per hour. what is the total cost of this shutdown? - Answer- $22,500 To validate a new design idea before proceeding with additional expenses in development, (blank) should be performed First - Answer- an evaluation Calculate the resulting downtime cost if there are $3,000 in lost production, $500 in spare parts, $250 in re-startup costs, $500 in lost energy costs, and $1,000 in depreciation costs. - Answer- $5,250 When specifying and identifying threads, what does the underlined number in 1/2-13UNC-2A represent? - Answer- class of fit when a micrometer reads 2.468 inches for a hole that is to be bored to 2.473 inches, the hole is considered - Answer- 0.005 inch undersize The reading on the micrometer shown below is closest to - Answer- 0.308 inch what can a protractor measure? - Answer- Angles What organization defines standards related to joining metals using the TLG (Tungsten inert Gas) Process? - Answer- AWS A company operating on an international scale is called - Answer- globalization The ability of a metal to withstand shock lading is known as its - Answer- toughness which of these is a ferrous metal? - Answer- mild steel The relationship of force, pressure, and piston area in an air cylinder is represented by - Answer- force= pressure x area Calculate the flow out of a pipe per hour if there are 180 gallons per minute. - Answer- 10,800 gallons/hour what is the equation for the basic unit of electrical power (the watt)? - Answer- P=I^2 R Using ohm's law, how much current is going through the following circuit? 15.5 volts 5 Ohms resistance - Answer- 3.1 amps In the DC circuit below, If R^5 burns open, the total current - Answer- Decreases What is the Fahrenheit equivalent of 35 degrees Celsius? - Answer- 95 Degrees Fahrenheit A knitting needle is an example of which type of simple machine? - Answer- wedge Gauge pressure at sea level is - Answer- 0 psi The binary number equals - Answer- 37 A farad is a unit of - Answer- Capacitance A test instrument that displays a waveform is a/an - Answer- Oscilloscope A shipping crate requires 90 pounds of force to slide across a concrete floor. if the coefficient of friction between the crate and the floor is 0.60, how heavy is the crate? - Answer- 150 lbs. The symbol used in electrical schematics to represent a batter is - Answer- II A specialized schematic used to document industrial control logic system is a - Answer- ladder diagram Which of the lines below represents a center line? - Answer- C Based on 242 workdays per year that are 8 hours long, how much time could be saved each year if an increase in productivity saved 15 minutes each day? - Answer- 60.50 hours By using a spreadsheet for reporting data, an engineer can produce - Answer- Tables, graphs , charts, and visual formats