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A braking torque of 2 kN-m is applied on a machine member to reduce the speed from 2000 rpm to 500 rpm in 10 sec. The specific heat of the brake material is 500 J/kg °C. The temperature rise for the brake per unit mass during braking period is

A braking torque of 2 kN-m is applied on a machine member to reduce the speed from 2000 rpm to 500 rpm in 10 sec. The specific heat of the brake material is 500 J/kg °C. The temperature rise for the brake per unit mass during braking period is Correct Answer 91.3°C

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Which one of the following is the correct sequence of various stages of operating cycle of a manufacturing company?  1. Raw material conversion period, work-in-progress conversion period, Finished goods conversion period, Receivables conversion period 2. Raw material conversion period, work-in-progress conversion period, Creditors payment period, Receivables conversion period 3. Creditor payment period. Raw material conversion period, Receivables conversion period, work-in- progress conversion period 4. Raw material conversion period, Finished goods conversion period, work-in- progress conversion period. Receivables conversion period 
0.5 kg বরফকে 0°C থেকে 1000°C এ বাম্পে পরিণত করতে কত তাপ দরকার? [বাম্পীয় ভবনের সুপ্ততাপ  22.68×105 Jkg-1  , পানির সুপ্ততাপ 4.2×103 Jkg-1K-1 এবং বরঢ গলনের সুপ্ততাপ    33.4×104 Jkg-1  ]
বরফ গলনের আপেক্ষিক সুপ্ততাপের পরিমাণ-i. 36000 Jkg-1ii. 334000 Jkg -1iii. 336520 Jkg-1 নিচের কোনটি সঠিক?
"It is now expected that the variable production cost per unit and the selling price per unit will each increase by 10%, and fixed production cost will rise by 25%. What will be the new break even point?
Selling price - Rs 6 per unit
Variable production cost - Rs 1.20 per unit
Variable selling cost - Rs 0.40 per unit
Fixed production cost - Rs 4 per unit
Fixed selling cost - Rs 0.80 per unit
Budgeted production and sales for the year are 10,000 units."
What is the distance covered by boat N upstream in 5 hours? Which of the following option is sufficient alone to find the answer? A) Boat M is travelling downstream with 20% more downstream speed of boat N. Speed of boat M in still water is 10% more than the speed of boat N in still water. B) Boat M and Boat N are travelling downstream with speed 33 km/hr and 40 km/hr respectively and speed of boat M is still water is 2 times the speed of stream. C) Speed of boat M in still water is 6 km/hr less then speed of boat N in still water and speed of stream is 10 km/hr. D) Speed of stream is ½ times the speed of boat N in still water and downstream speed of boat M is 44 km/hr. E) Speed of stream is 10 km/hr and ratio of upstream speed of boat M and boat N is 3 : 2 respectively.
In a 200 meters race, Rohan can give Rahul a 20 meters start and in a 36 km race Rahul can give Sanjay a 4 km start. If the speed of Rahul is 36 m/sec then what is the speed of Rohan in m/sec? A. 20 m/sec B. 40 m/sec C. 24 m/sec D. 50 m/sec
Raw material purchased:
1st January, 600 units @ Rs. 12 per unit
12th January, 500 units @ Rs. 14 per unit
21st January, 300 units @ Rs. 13 per unit
Raw material issued for manufacture:
3rd January 300 units
5th January 124 units
15th January 250 units
16th January 300 units
Raw material returned to stores from manufacturing department on 14th January, 50 units. The material is issued on First-in-First out method.
The value of material remaining in store on 21st January will be:
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A cam should be designed only using uniform rise and fall within half of the cam, the remaining is dwell period, and without any dwell period in between the rise -fall periods and rise and fall periods should be same. The maximum rise in follower is 30 mm. How much the follower will rise when the follower is 120 degrees from its initial position of a cam?