Installation and Maintenance of Electrical Equipment 5th Exam (Nov 2018) PDF

S.B. Roll No…………………………………………. INSTALLATION AND MAINTENANCE OF ELECTRICAL EQUIPMENT 5th Exam/Elect/0528/Nov’18 Duration: 3Hrs. M.Marks:75...

S.B. Roll No…………………………………………. INSTALLATION AND MAINTENANCE OF ELECTRICAL EQUIPMENT 5th Exam/Elect/0528/Nov’18 Duration: 3Hrs. M.Marks:75 SECTION-A Q1. Fill in the blanks. 10x1.5=15 a. A ________ is an electrical connection between two points. b. The process of erecting equipment is known as ________ c. ________ Tools are used for stripping the insulated wires for making connections. d. A fuse is a_______ device. e. For a good earthing system, the value of earth resistance should be ________ f. The most common system for secondary distribution is ________ g. ________ Test is to be performed on transformer to find the no load losses. h. ________ is a process of keeping machinery in good running condition. i. An electric fuse is always connected in ________ with the circuit. j. BDV stands for ________ SECTION-B Q2. Attempt any five questions. 5x6=30 i. Write the name of tools used for making joints in a conductor. Draw the figure of any one. ii. Differentiate between CT and PT. iii. Describe the various tests performed on power cable. v. Explain pole mounted substation. o m iv. Differentiate between Neutral Earthing and Equipment Earthing. vi. What are various methods available for improvement of power factor?. c vii. Explain briefly the laying of service lines. r e SECTION-C p om Q3. Attempt any three questions. 3x10=30 p a a. Explain in detail the insulation resistance measurements techniques. b. Explain the different methods of laying an underground cable..r c b r c. Explain various steps taken to maintain batteries in healthy condition. e d. Explain in detail how maintenance of distribution transformers is carried out. e. Explain the maintenance of motors in detail.. a p r p b