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Q1— Section header —
1.5\ in the ANSWER BOOK.
1.1
1.2error result when a reading of the water level is taken from an incorrect position capillary hysteresis parallax zero
1.3Which ONE of the following metal is not used in the manufacturing of resistance thermometer Nickel Iron
1.4The tappings that are taken at one pipe diameter(D\ upstream from the face of the orifice and one half pipe diameter downstream from the orifice is called radius taps Vena contracta taps pipe taps corner taps
1.55
Q2— Section header —
2.5\ in the ANSWER BOOK.
2.1A bimetallic strip can be used as thermostat for temperature control
2.2In a three lead Wheatstone bridge circuit the third lead resista nce add to the meter resistance makes it more sensitive
2.3itot tube can only measure fluid velocity at one position in the cross section of the pipe
2.4The m easurement of pressure can give information of the liquid level or volume content of the liquid in a tank
2.55
Q3— Section header —
3.1The volume of any given mass of gas is inversely proport ional to the absolute pressure, provided that the temperature remain constant
3.2This pressure is measured with atmospheric pressure as its reference point
3.3Liquids are closed off into compartments and the number of times the comp artments are filled and emptied is an indication of the flow
3.4The sum of pressure and the kinetic energy and the p otential energy of a fluid per unit volume flowing through a tube is constant.
3.5Mass per unit volume of a substance 10] TOTAL SECTION A:
Q4— Section header —
4.1Make a neat label ed sketch of a cistern manometer (4\
4.2
4.3The Pirani gauge works on the principle tha t if a gas is in contact with a heated wi re, it will conduct some of the heat away from the wire
4.3.1Make a sketch of the circuit diagram of the Pirani gauge (5\
4.3.2Explain the working principle of the gauge mentioned in QUESTION
4.3(7\ [20]20
Q5— Section header —
5.1Name the TWO SI scales of temperature. (2\
5.2What is the difference between thermostat thermometer (4\
5.3thermocouple sketches to show the law of intermediate temperatures (3\
5.4Explain the operating principle of a resistance thermometer. Make use of formula to support your explanation xplain every constant in the formula. (6\
5.5Calculate the temperature of a platinum resistance thermometer if its resistance is 15 (5\ [20]20
Q6— Section header —
6.1State Bernoulli s principle on the conservation of energy for a steady liquid flow in a system (4\
6.2Make a neat labelled sketch of a Venturi tube and b riefly explain its working principle (8\
6.3Make a neat labelled sketch of a liquid sealed drum type gas meter (5\
6.4Name THREE advantages of a Pitot tube (3\ [20]20
Q7— Section header —
7.1A gas purge level measurement system gives a reading of 54,3 kPa. Determine the volume of water in the tank if its base dimensions are 5 m by (6\
7.2
7.3Make a neat , labelled sketch of a bellows type level meter (6\
7.4Explain the working principle of the level meter mentioned
Q7— Section header —