PHA614 LAB MEASUREMENT PARTS

Question 1

Prevents entry of air currents and dust which may interfere with weighing

Answer 1

Glass Door/ Air or Draft Shield

Question 2

Holds the sample in analytical balance

Answer 2

Pan/Weighing pan/Balance Pan

Question 3

Ensures that the balance is level to prior use

Answer 3

Level Indicator/Bubble level/Spirit Level

Question 4

Shows the weight in analytical balance

Answer 4

Display panel

Question 5

Resets the Analytical balance to ZERO

Answer 5

Tare button

Question 6

Switches the balance on/off

Answer 6

Power button

Question 7

Adjusts the bubble level

Answer 7

Level Adjustment feet/Adjustable feet

Question 8

Sets the balance initially at zero
(alignment of the pointer with the zero mark on the scale)

Answer 8

Zero Adjustment Knob (screw)

Question 9

Achieve equilibrium of the balance by sliding them on the beam

Answer 9

Riders/Counterweights/Poise

Question 10

Indicates the equilibrium when align with the zero mark

Answer 10

Pointer

Question 11

Hold the riders and displays the weight of the sample

Answer 11

Beams

Question 12

Holds the sample in cent-o-gram

Answer 12

Pan

Question 13

Indicates the equilibrium of the weight of the sample and riders

Answer 13

Scale

Question 14

Measurement of INSIDE diameter, length or width of an object

Answer 14

Upper or internal jaws

Question 15

Secure the jaws in place

Answer 15

Lock Screw

Question 16

Measurement of outside diameter of a hollow object

Answer 16

Lower or external jaws

Question 17

Sliding graduated scale in MILLIMETERS to allow measurement of fractional portions of main scale

Answer 17

Vernier Scale (Movable)

Question 18

Large graduated scale

Answer 18

Main Scale (Fixed)

Question 19

Measurement of the depth of an object

Answer 19

Depth stem or Depth rod