Related Questions

A garments factory employs 3 categories of workers K, M and N. The efficiency of the 3 categories of workers to do a specific task is in the ratio of 3 : 5 : 6 respectively and the factory employs 15 of category K, 12 of category M and 3 of category N. If the total wages paid to the entire group of 30 workers is Tk. 492 per hour, what will be the wages earned by a category N worker for an 8-hour day?
A Tk. 144
B Tk. 72
C Tk. 192
D Tk. 576
Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
A Metalliferrous ores
B Non-metallic ores
C Basic slags
D Asbestos & mica
Tumbling is the process of improving the __________ of the materials/parts.
A Surface finish
B Fatigue limit
C Creep limit
D Surface cleanlineses
Ball mills and tube mills with flint or porcelain balls are used for size reduction of
A Asbestos
B Rubber
C Non-metallic ores
D Limestone
Which of the following is not a revolving/tumbling mill used for size reduction?
A Compartment mill
B Pebble mill
C Cage mill
D Rod mill
In chitaggong stock exchange the price of bata rise 30% yesterday and 20% fall today. what is the total rises and fall in percentage.
A 4% rise
B 8% rise
C 6% rise
D 10% rise
The Water Fall with the highest fall in India is the
A Jog Falls, Karnataka
B Courtallam Falls, Tamil Nadu
C Beraghat Falls, Madhya Pradesh
D Ettipotala Falls, Andhra Pradesh
The author who does not fall into the same category-
A Ernest Hemingway
B Jane Austen
C Joseph Conrad
D Emily Dickinson
The book that does not fall into same category-
A Frankenstein
B the Great Gassby
C Misery
D The Shining
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?
A Segmental baffle
B Flat plate extending across the wall
C Disk type baffle
D Helical type baffle

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