Answer:
Plain Bearings and Rolling Element Bearings -
Explanation:
two different type of bearing are:
1) Plain Bearings - Plain bearings are the easiest form of bearings and consist of only the layer of the bearings without rolling components.
2)Rolling Element Bearings - Rolling element bearings use balls or rollers between two rings – allowing movement with little rotating and sliding friction. These type of bearings include bearings for balls and rollers.
Answer:
The final temperature in the vessel after the resistor has been operating for 30 min is 111.67°C
Explanation:
given information:
mass, m = 3 kg
initial temperature, T₁ = 40°C
current, I = 10 A
voltage, V = 50 V
time, t = 30 min = 1800 s
Heat for the system because of the resistance is
Q = V I t
where
V = voltage (V)
I = current (A)
t = time (s)
Q = heat transfer to the system (J)
so,
Q = V x I x t
= 50 x 10 x 1800
= 900000
= 9 x 10⁵ J
the heat transfer in the closed system is
Q = ΔU + W
where
U = internal energy
W = work done by the system
thus,
Q = ΔU + W
9 x 10⁵ = ΔU + 0, W = 0 because the tank is a well-insulated and rigid.
ΔU = 9 x 10⁵ J = 900 kJ
then, the energy change in the system is
ΔU = m c ΔT
ΔT = ΔU / m c, c = 4.186 J/g°C
= 900 / (3 x 4.186)
= 71.67°C
so,the final temperature (T₂)
ΔT = T₂ - T₁
T₂ = ΔT + T₁
= 71.67°C + 40°C
= 111.67°C
Answer:
The solution code is written in Java.
- double [] alpha = new double[50];
-
- for(int i =0; i < 25; i++){
- alpha[i] = i * i;
- }
-
- for(int j = 25; j < 50; j++){
- alpha[j] = j * 3;
- }
Explanation:
Firstly, the syntax to declare an array variable <em>alpha</em> of type double and initialize it with 50 components is presented in Line 1.
Next, use a for-loop to traverse through the first 25 components (Line 3). Use * operator to multiply index variable by itself (to square it) and assign it to the current component of the<em> alpha</em> array (Line 4).
Create another for-loop to traverse through the last 25 components (Line 7). This time, multiply the index variable with 3 and assign it to the current component of the <em>alpha</em> array (Line 8).
Answer:
Here, The CML is used for efficient portfolios whereas the SML applies to all portfolios or securities
Considering the seperation theorem, The separation theorem states that the investment decision is sepaarte from the financing decision.
This implies that The SML can be used to analyze the relationship between risk and requried return for all assets.
Under the separation theorem investors should Hold the same portfolio of risky assets and the same expected return but at different levels of risk
Explanation:
See answer