Process Instrumentation-I Government Polytechnic 2010 Question Paper

Exam Board: Government Polytechnic
Question Paper Course: Diploma Hospital Management
Subject of Question Paper: Process Instrumentation-I
Time allotted: 3 Hours
Max. Marks: 70
Year of the exam paper: 2010
Question Paper Format: Text

Q.1 (a) List types of vaccum sensor. Describe thermal conductivity gauge. 07
(b) What is manometer? List types of manometer. Explain well type manometer. 07

Q.2 (a) List the electrical methods for pressure measurement. Explain variable capacitance type pressure measuring method. 07
(b) Explain fundamental and derived unit with suitable examples. 07
OR
(b) Define error. Discuss different types of error in brief. 07

Q.3 (a) Draw a neat sketch of Dead weight tester and explain construction and working of it. 07
(b) Explain pneumatic differential pressure transmitter. 07
OR
Q.3 (a) Explain construction and working of transit time ultrasonic flow meter. 07
(b) Explain flow switch in detail with neat sketch. 07

Q.4 (a) Derive flow equation using Bernoulli's theorem, if fluid is in a close pipe line. 07
(b) Explain turbine type flow meter. 07
OR
Q. 4 (a) Explain principle, construction and working of Rotameter. Why it is called "Variable Area Meter"? 07
(b) Explain venture type flow measuring device. 07

Q.5 (a) What is positive displacement meter? Explain any one of them 07
(b) Define humidity, specific humidity and relative humidity. Explain hair hygrometer 07
OR
Q.5 (a) Explain a.c. current tachometer generator. 07
(b) Explain mechanical tachometer type speed measuring device. 07 

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