Related Questions

H উচ্চতায় অবস্থিত একটি বেলুন থেকে একটি পাথর ছেড়ে দিলে তা । উচ্চতায় অবস্থিত একটি হেলানো তনের উপর আছড়ে পড়ে। হেলানো শুলকে আঘাতের পর পাথরটির বেগ আনুভূমিক হয়। h/H এর মান কত হলে পাথরটি ভূমিকে স্পর্শ করতে সর্বোচ্চ সময় নিবে? (A stone falls from a balloon at a height of H above the ground and hits an inclined plane in its path at a height of h. After impact, the velocity of the stone becomes horizontal. What should be the value of hill so that the stone will take maximum time to reach the ground?)
A H-hh
B 12
C 32
D hH-h
E 2
Arm in arm means-
A হাতে হাত রাখা
B পরস্পর সম্পর্কিত বিষয়
C সুসম্পর্ক
D সৌজন্য বিনিময়
When semaphore and warner are installed on the same post, then the stop indication is given when
A both arms are horizontal
B semaphore arm lowered but warner arm horizontal
C both semaphore and warner arms lowered
D none of the above
What are the two types of Semaphore?
A Digital Semaphores and Binary Semaphores
B Analog Semaphores and Octal Semaphores
C Counting Semaphores and Binary Semaphores
D Critical Semaphores and System Semaphores
What is the initial value of the semaphore to allow only one of the many processes to enter their critical section?
A 8
B 1
C 16
D 0
E None of the above
If Bashar can run around a ground four times in 20 minutes and Rahim can run around the same ground three times in 12 minutes, who can run around that ground more times in an hour, and how many times more can he run around ?
A Bashar, three times more
B Rahim , three times more
C They both go around 12 times
D Bashar, eight times more
The effect of setting a boring tool above center height leads to
A Increase in the effective rake angle and a decrease in the effective clearance angle
B Increase in both effective rake angle and effective clearance angle
C Decrease in the effective rake angle and an increase in the effective clearance angle
D Decrease in both effective rake angle and effective clearance angle
The height of a Watt's governor (in meters) is equal to (where N = Speed of the arm and ball about the spindle axis)
A $$\frac{{8.95}}{{{{\text{N}}^2}}}$$
B $$\frac{{89.5}}{{{{\text{N}}^2}}}$$
C $$\frac{{895}}{{{{\text{N}}^2}}}$$
D $$\frac{{8950}}{{{{\text{N}}^2}}}$$
ABCD is a square of side 10. AFC is an are of a circle with the center at D and radius 10. AGC is an are of a circle with the center at B and radius 10. Find the area of AFCG/
A 50 -100pie
B 25 -100 pie
C 100-25 pie
D 100-50pie
Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
A 36
B 9
C 12
D 18

Next steps