Miscellaneous
On a standard engineering drawing, what specific type of line is used to show a center line or a pitch circle?
A chain line (or long-dashed, short-dashed line).
What is the difference between resistance and impedance.
Resistance opposes DC current only; impedance opposes AC current and includes resistance plus reactance.
What is the RMS value of 20 Volt pk/pk signal?
7.07V
Which French heroine was burned at the stake in 1431 during the Hundred Years' War?
Joan of Arc.
What is the SECOND biggest country (terms of land) in the world?
The first biggest is Russia with around 6.6 million square miles!
Canada! They have around 2.8 million square miles!
What is the name of the precision tool used specifically to check the clearance gaps between two automotive or mechanical components?
A feeler gauge.
What ideal thermodynamic cycle is used to model a standard petrol engine?
The Otto cycle.
What is the period of a 1kHz signal?
1 millisecond
Which Greek city state had the most powerful army?
Sparta
What does the symbol ‘H’ stand for on the periodic table?
Hydrogen
What do the letters "FRL" stand for when describing the combined conditioning unit used at the start of a pneumatic system?
Filter, Regulator, Lubricator.
What is the point called where a material permanently deforms and cannot snap back to its original shape?
Yield point (or elastic limit).
Amperes are a measure of "what" per second?
Coulombs
Who was the first Emperor of the Roman Empire, ruling from 27 BC until his death in AD 14?
Augustus Caesar (born Octavian).
In Fleming's left hand rule which finger denotes the direction of force on the conductor?
The thumb
What mechanical component is placed under a nut to distribute the load of a threaded fastener and prevent surface damage?
A washer (or flat washer).
What specific physical property of a fluid measures its internal resistance to gradual deformation by shear or tensile stress?
Viscosity (or dynamic viscosity).
What is frequency of a signal with a period of 1uS?
1 MHz
Which Babylonian king created one of the earliest written law codes
Hammurabi
An Elephants trunk has over 40,000 what?
Muscles.
In a fluid power circuit diagram, what specific component is represented by a diamond-shaped symbol?
A conditioning device (e.g., a filter, cooler, or heater).
A machine shaft rotates at 1500 rpm and delivers a torque of 120 Nm. State two factors that could cause shaft failure over time.
Fatigue, torsional stress, overheating, poor lubrication, misalignment (any two)
In Fleming's right hand rule which finger denotes the direction of the magnetic field?
The first finger
which civilization built chichen itza
the maya
How many seconds are there in a day?
86,400