Answer:
10.007
Explanation:
Assuming we have to find out the compression ratio of the engine
Given information
Cubic capacity of the engine, V = 245 cc
Clearance volume, V_c = 27.2 cc
over square-ratio = 1.1
thus,
D/L = 1.1
where,
D is the bore
L is the stroke
Now,
Volume of the engine V =
plugging values we get
245 =
Solving we get D =7 cm
therefore, L= 7/1.1 =6.36 cm
Now,
the compression ratio is given as:
r =(V+V_c)/V_c
on substituting the values, we get
r = (245+27.2)/27.2 =10.007
Hence, Compression ratio = 10.007
U need to put a pic because no one knows what ur talking about hahaha
Answer:
(a) 6.5774 minutes
(b) 4.3879 minutes
(c) 2.459 minutes
(d) 245.902 minutes
Explanation:
The learning curve model follows the following equation:
where Y are the units time to produce X units, and a is the time for assembly the first unit. Additionally, b is calculated as:
Where r is the learning rate for mechanical assembly. So, b is equal to:
Then, the equation is:
Finally, the unit times to produce the second unit are:
The 10th unit:
The 100th unit:
Then, the total cumulative time T to produce 100 units in the Crawford model is calculated as:
Answer:
Concentric circles
Explanation:
Concentric circles are two or more circles which have the same center point. The region between two concentric circles is called an annulus.
Answer:
Check the attached images below.
Explanation:
It Is required to develop an approximate relation between . Reynolds and Grashor numbers such that the heat-transfer coefficients for pure forced convection and pure .e convection are equal, assuming laminar flow, by comparing the heat-transfer coefficients for forced or free convection over vertical hat plates.
write the equation or heat transfer coefficient Mr (arced comedian.
Kindly check the attached images below.