Maharashtra State Board of Technical Education 2011-1st Sem Diploma Computer Engineering FY ister Class Test - Question Paper

Q.No.1 Answre subsequent ques..
1} describe fundamental physical units and derived physical units.
2} What do you mean by magnitude and unit ?
3} Write various kinds of systems of units and unit of time in these system.
4} Write LC of vernier calliper, micrometer screw gauge and sperometer.
5} What do you mean by LC and range of instrument.
6} Which instrument will you use to obtain diameter of pin and diameter of sphere ?
7} What do you mean by pitch of micrometer screw gauge ?

Q.No.2 ans subsequent ques..
1} Why we have accepted SI system of units ?
2} Write fundamental physical volumes and their units ?
3} Why we take three or four studying in the laboratory while doing experiments ?
4} Classify the subsequent volumes as fundamental and physical.
length, force, area, acceleration, mass, momentum, heat, work, temperature,
electroc current, pressure and quantity.
5} The mass of object is 37.6 + 0.02 gm. obtain % fault.
6} The length of an object measured by vernier calliper is 4.78 cm and if LC of the instrument
is 0.001 mm. obtain % fault.

Q.No.3 ans subsequent ques..
1} discuss the need of measurement in scince and engineering.
2} Write any 4 derived physical volumes and their units.
3} describe fault. Write kinds of errors.
4} Write any 4 characteristics of units.
5} describe significant figures. State the rules for determining significant figures.
6} obtain number of significant figures in subsequent measurements.
1) 0.0025 2) 0.002500 3) 0.0250 4) 2.500
7} Which of the subsequent studying is more right and why ?
(a) 2.33 + 0.002 mm
(b) 2.55 + 0.0015 mm

Earning:   Approval pending.