Components
Mechanisms 1
Mechanisms 2
Electricity
Choose at your risk
100
What does DPDT stand for?
Double Pole Double Throw
100
What motion does a train move in?
Linear
100
What is the equation for gear ratio?
GR = Driven ÷ Driver
100
What is resistance measured in?
Ohms
100
Name this Logic Gate
NAND Gate
200
What does LED stand for?
Light Emitting Diode
200
Name this linkage
Scissor Linkage
200
What is the name of this mechanism?
Rack and Pinion
200
What does the third band on a resistor represent?
How many 0's are added on
200
If the load is 90N and the Mechanical Advantage is 4, what is the effort required?
Effort = Load ÷ MA
E = 90N ÷ 4
Effort = 22.5
300
Draw the electronic symbol for an LDR
300
What class of lever is a wheelbarrow?
Class 2 lever
300
What is part A of this mechanism called?
Pawl
300
What is the total voltage of three 1.5V batteries in parallel?
1.5V - The voltage remains the same as that of a single battery.
300
What is an alloy?
A combination of 2 or more metals.
400
What is a thermistor used for?
Used in digital thermometers to measure body tempreature.
400
What is the equation for mechanical advantage?
MA = Load ÷ Effort
400
If a driven gear has 25 teeth and a driver gear has 50 teeth. What is the Gear Ratio?
GR = Driven ÷ Driver
GR = 25 ÷ 50 = 0.5
400
You have a circuit with a 2Ὡ resistor attached to it. The current in the circuit is 1.5 amps. What is the voltage required?
V = I x R
V = 1.5 x 2
V = 3 Volts
400
Complete this truth table for this NOR Gate.
